diff --git a/sphinx/build/doctrees/environment.pickle b/sphinx/build/doctrees/environment.pickle
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diff --git a/sphinx/build/html/_images/electrode_cable.jpg b/sphinx/build/html/_images/electrode_cable.jpg
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diff --git a/sphinx/build/html/_images/installation_current_board.jpg b/sphinx/build/html/_images/installation_current_board.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ada4ec2b24f5f3f5c2b07bff2655e2fd7ef35f2a
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diff --git a/sphinx/build/html/_images/measurement_board-2.jpg b/sphinx/build/html/_images/measurement_board-2.jpg
index e9d5b5a797ebea34a02ca17f3913f89f0e8f549d..938973dfd80ae4514a11be61f2390437fa3aacdf 100644
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diff --git a/sphinx/build/html/_sources/index.rst.txt b/sphinx/build/html/_sources/index.rst.txt
index fcded7149cfadf32c893c68f2cf60a0c9e14d1a8..553349203a041c492b6e7a369d4a81142fc2ee6c 100644
--- a/sphinx/build/html/_sources/index.rst.txt
+++ b/sphinx/build/html/_sources/index.rst.txt
@@ -10,6 +10,7 @@ OHMPI: Open source and open hardware resitivity-meter
:Release: |release|
:Date: |today|
+ :Date start: July 2016
:Authors: **Rémi CLEMENT, Nicolas FORQUET, Julien GANCE, Yannick FARGIER, Vivien DUBOIS, Hélène GUYARD**
:Target: users, researchers and developers
:status: some mature, some in progress
@@ -32,7 +33,7 @@ Contents:
page0
page1
- page2
+
diff --git a/sphinx/source/page2.rst b/sphinx/build/html/_sources/old/page2.rst.txt
similarity index 100%
rename from sphinx/source/page2.rst
rename to sphinx/build/html/_sources/old/page2.rst.txt
diff --git a/sphinx/build/html/_sources/page0.rst.txt b/sphinx/build/html/_sources/page0.rst.txt
index 3ef0bb177790babd1d5d9f2d54f0252b513fef9e..7dbbea4ef493009ae39140c0fa5d6e7e6e0cc0a0 100644
--- a/sphinx/build/html/_sources/page0.rst.txt
+++ b/sphinx/build/html/_sources/page0.rst.txt
@@ -1,6 +1,7 @@
-************
+***************
Premiere page
-*************
+***************
+
**OhmPi project**
*************************
@@ -34,6 +35,11 @@ Update : 21 août 2020.
Status of document: In progress.
+**Citing OhmPi**
+=========================
+*Rémi Clement, Yannick Fargier, Vivien Dubois, Julien Gance, Emile Gros, et al.. OhmPi: An open*
+*source data logger for dedicated applications of electrical resistivity imaging at the small and laboratory*
+*scale. HardwareX, Elsevier, 2020, 8, 24 p. ff10.1016/j.ohx.2020.e00122ff.*
**Introduction to OhmPi**
=========================
diff --git a/sphinx/build/html/_sources/page1.rst.txt b/sphinx/build/html/_sources/page1.rst.txt
index 3e2dceafe1c9731ce8c72778e52a39a6e85fe305..ee6a7987528c76afc62188e05414d9daccd0ca77 100644
--- a/sphinx/build/html/_sources/page1.rst.txt
+++ b/sphinx/build/html/_sources/page1.rst.txt
@@ -29,7 +29,7 @@ Technical data
|Power consumption of CPU and |18.5 |W |
|control system | | |
+-------------------------------+--------------------+-----------+
-|Voltage injection |12 |V |
+|Voltage injection |9 |V |
+-------------------------------+--------------------+-----------+
|Battery |12 |V |
+-------------------------------+--------------------+-----------+
@@ -303,7 +303,7 @@ place a fuse holder with a 1.5-A fuse for safety purposes.
.. figure:: measurement_board.jpg
:width: 800px
:align: center
- :height: 400px
+ :height: 500px
:alt: alternate text
:figclass: align-center
@@ -341,13 +341,35 @@ they remain in the normally closed position. This set-up offers a simple and rob
:figclass: align-center
Wiring of the 4-channel relay module board for current injection management
+
+The next step consists of featuring the 4-channel relay module used for current injection and its assembly. The wiring
+between the relays must be carried out in strict accordance with Fig. 10. This card must then be connected to the Raspberry
+Pi and the measurement card. On the Raspberry Pi, it is necessary to connect inputs In1 and In2 to the same GPIO. For this
+purpose, it is necessary to solder together the two pins on the 4-channel relay shield module and connect them to the Raspberry Pi GPIO-7 (Fig. 10). The same must be performed for inputs In3 and In4 with GPIO-8. Connect the GND and 5Vdc pins of
+the relay card’s 4 channels respectively to the GND pin and 5Vcc of the Raspberry Pi. Now connect relays 1, 2, 3 and 4, as
+shown in the diagram, using 1-mm2 cables (red and black in Fig. 10). Lastly, connect the inputs of relay 1 and 2 respectively
+to terminals B and A of the measurement board.
+
+.. figure:: installation_current_board.jpg
+ :width: 800px
+ :align: center
+ :height: 700px
+ :alt: alternate text
+ :figclass: align-center
+ Current injection board installation with Raspberry Pi
+
+
+Congratulations, you have build a 4 electrodes resistivity-meter.
+
Frist four electrodes resistivity mesurement
============================================
-Under construction describe the way vlide the first part of the instruction.
+Under construction !
+
+Describe the way thevalide the first part of the instruction.
Electrical resistivity measurement on test circuit
@@ -368,7 +390,7 @@ To prepare the multiplexer, the channels of the two relay boards must be connect
.. figure:: multiplexer_implementation.jpg
:width: 800px
:align: center
- :height: 400px
+ :height: 500px
:alt: alternate text
:figclass: align-center
@@ -486,17 +508,13 @@ The measurement parameters can be adjusted in lines 27 to 30 of the ohmpi.py cod
Complete list of components
*******************************
+.. warning::
+ The list to evolve a little after the publication of the article, it is necessary to refer to this list
-.. list-table::
- :widths: 20 80 80
+
+.. csv-table:: Table Title
+ :file: C:\Users\remi.clement\Documents\28_ohmpi_all_git\sphinx\source\list.csv
+ :widths: 30, 70, 70, 70, 70,70
:header-rows: 1
- * - Shapes
- - Description
- - Description
- * - Square
- - Four sides of equal length, 90 degree angles
- - Description
- * - Rectangle
- - Four sides, 90 degree angles
- - Description
\ No newline at end of file
+
diff --git a/sphinx/build/html/genindex.html b/sphinx/build/html/genindex.html
index 97f6186344bc89809571858c42f2d571ede518e7..0a363f34b70efb6c399a5108aba87404cfedef4b 100644
--- a/sphinx/build/html/genindex.html
+++ b/sphinx/build/html/genindex.html
@@ -82,9 +82,8 @@
<ul>
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a></li>
+<li class="toctree-l1"><a class="reference internal" href="page0.html">Premiere page</a></li>
<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
</ul>
diff --git a/sphinx/build/html/index.html b/sphinx/build/html/index.html
index 5925f2a5a4eb1dc222e5443b22333ec3a223711b..2880fad4e4f0c453898074fcbb35a72fd446751f 100644
--- a/sphinx/build/html/index.html
+++ b/sphinx/build/html/index.html
@@ -37,7 +37,7 @@
<link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" />
- <link rel="next" title="OhmPi project" href="page0.html" />
+ <link rel="next" title="Premiere page" href="page0.html" />
</head>
<body class="wy-body-for-nav">
@@ -83,9 +83,8 @@
<ul>
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a></li>
+<li class="toctree-l1"><a class="reference internal" href="page0.html">Premiere page</a></li>
<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
</ul>
@@ -160,16 +159,19 @@
<dd class="field-odd"><p>open hardware resistivity-meter</p>
</dd>
<dt class="field-even">Date</dt>
-<dd class="field-even"><p>Dec 13, 2020</p>
+<dd class="field-even"><p>Dec 14, 2020</p>
</dd>
-<dt class="field-odd">Authors</dt>
-<dd class="field-odd"><p><strong>Rémi CLEMENT, Nicolas FORQUET, Julien GANCE, Yannick FARGIER, Vivien DUBOIS, Hélène GUYARD</strong></p>
+<dt class="field-odd">Date start</dt>
+<dd class="field-odd"><p>July 2016</p>
</dd>
-<dt class="field-even">Target</dt>
-<dd class="field-even"><p>users, researchers and developers</p>
+<dt class="field-even">Authors</dt>
+<dd class="field-even"><p><strong>Rémi CLEMENT, Nicolas FORQUET, Julien GANCE, Yannick FARGIER, Vivien DUBOIS, Hélène GUYARD</strong></p>
</dd>
-<dt class="field-odd">status</dt>
-<dd class="field-odd"><p>some mature, some in progress</p>
+<dt class="field-odd">Target</dt>
+<dd class="field-odd"><p>users, researchers and developers</p>
+</dd>
+<dt class="field-even">status</dt>
+<dd class="field-even"><p>some mature, some in progress</p>
</dd>
</dl>
</div>
@@ -185,8 +187,8 @@
<p>Contents:</p>
<div class="toctree-wrapper compound">
<ul>
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a><ul>
-<li class="toctree-l2"><a class="reference internal" href="page0.html#introduction-to-ohmpi"><strong>Introduction to OhmPi</strong></a></li>
+<li class="toctree-l1"><a class="reference internal" href="page0.html">Premiere page</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="page0.html#ohmpi-project"><strong>OhmPi project</strong></a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a><ul>
@@ -200,16 +202,6 @@
<li class="toctree-l2"><a class="reference internal" href="page1.html#complete-list-of-components">Complete list of components</a></li>
</ul>
</li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#the-philosophy-of-ohmpi">The philosophy of Ohmpi</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#technical-data">Technical data</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#raspberry-pi-configuration">Raspberry Pi configuration</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#assembly-of-the-measuring-current-injection-cards-and-connection-with-the-raspberry-pi">Assembly of the measuring/current injection cards, and connection with the Raspberry Pi</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#multiplexer-implentation">Multiplexer implentation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#electrode-connection">Electrode connection</a></li>
-<li class="toctree-l2"><a class="reference internal" href="page2.html#operating-instruction">Operating instruction</a></li>
-</ul>
-</li>
</ul>
</div>
</div>
@@ -222,7 +214,7 @@
<div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
- <a href="page0.html" class="btn btn-neutral float-right" title="OhmPi project" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
+ <a href="page0.html" class="btn btn-neutral float-right" title="Premiere page" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
</div>
diff --git a/sphinx/build/html/objects.inv b/sphinx/build/html/objects.inv
index 25f888c0d10c801af7cf56dd67c8d7fcd04a49e2..85521ba563f4d226d21ccdd387106bd888464b4b 100644
Binary files a/sphinx/build/html/objects.inv and b/sphinx/build/html/objects.inv differ
diff --git a/sphinx/build/html/page2.html b/sphinx/build/html/old/page2.html
similarity index 83%
rename from sphinx/build/html/page2.html
rename to sphinx/build/html/old/page2.html
index b3887cc6d561494d12a8a9e3c40e2d57e76e56ed..5f1b726986ad6b79363b39610c39998661ca80cb 100644
--- a/sphinx/build/html/page2.html
+++ b/sphinx/build/html/old/page2.html
@@ -11,8 +11,8 @@
- <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
- <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+ <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
+ <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
@@ -21,23 +21,22 @@
<!--[if lt IE 9]>
- <script src="_static/js/html5shiv.min.js"></script>
+ <script src="../_static/js/html5shiv.min.js"></script>
<![endif]-->
- <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
- <script src="_static/jquery.js"></script>
- <script src="_static/underscore.js"></script>
- <script src="_static/doctools.js"></script>
- <script src="_static/language_data.js"></script>
+ <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
+ <script src="../_static/jquery.js"></script>
+ <script src="../_static/underscore.js"></script>
+ <script src="../_static/doctools.js"></script>
+ <script src="../_static/language_data.js"></script>
<script async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
- <script type="text/javascript" src="_static/js/theme.js"></script>
+ <script type="text/javascript" src="../_static/js/theme.js"></script>
- <link rel="index" title="Index" href="genindex.html" />
- <link rel="search" title="Search" href="search.html" />
- <link rel="prev" title="OhmPi V 1.01 (limited to 32 electrodes)" href="page1.html" />
+ <link rel="index" title="Index" href="../genindex.html" />
+ <link rel="search" title="Search" href="../search.html" />
</head>
<body class="wy-body-for-nav">
@@ -51,7 +50,7 @@
- <a href="index.html" class="icon icon-home" alt="Documentation Home"> Ohmpi:
+ <a href="../index.html" class="icon icon-home" alt="Documentation Home"> Ohmpi:
@@ -64,7 +63,7 @@
<div role="search">
- <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
+ <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
<input type="text" name="q" placeholder="Search docs" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
@@ -82,39 +81,9 @@
- <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a></li>
-<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1 current"><a class="current reference internal" href="#">OhmPi V 1.02 (limited to 32 electrodes)</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="#the-philosophy-of-ohmpi">The philosophy of Ohmpi</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#technical-data">Technical data</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#raspberry-pi-configuration">Raspberry Pi configuration</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#os-installation">OS installation</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#virtual-environnement-and-packages">Virtual Environnement and packages</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#activate-virtual-environnement-on-thonny-python-ide-on-rapberry-pi">Activate virtual environnement on Thonny (Python IDE) (on Rapberry Pi)</a></li>
-</ul>
-</li>
-<li class="toctree-l2"><a class="reference internal" href="#assembly-of-the-measuring-current-injection-cards-and-connection-with-the-raspberry-pi">Assembly of the measuring/current injection cards, and connection with the Raspberry Pi</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#electrical-resistivity-measurements-board">Electrical resistivity measurements board</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="#a-description">a) Description</a></li>
-<li class="toctree-l4"><a class="reference internal" href="#b-implementation">b) Implementation</a></li>
-</ul>
-</li>
-<li class="toctree-l3"><a class="reference internal" href="#current-injection-board">Current injection board</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#frist-four-electrodes-resistivity-mesurement">Frist four electrodes resistivity mesurement</a></li>
-</ul>
-</li>
-<li class="toctree-l2"><a class="reference internal" href="#multiplexer-implentation">Multiplexer implentation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#electrode-connection">Electrode connection</a></li>
-<li class="toctree-l2"><a class="reference internal" href="#operating-instruction">Operating instruction</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="#preliminary-procedure-only-for-the-initial-operation">Preliminary procedure (Only for the initial operation)</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#startup-procedure">Startup procedure</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#electrical-resistivity-measurement-parameters-description">Electrical resistivity measurement parameters description</a></li>
-<li class="toctree-l3"><a class="reference internal" href="#complete-list-of-componements">complete list of componements</a></li>
-</ul>
-</li>
-</ul>
-</li>
+ <ul>
+<li class="toctree-l1"><a class="reference internal" href="../page0.html">Premiere page</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
</ul>
@@ -130,7 +99,7 @@
<nav class="wy-nav-top" aria-label="top navigation">
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
- <a href="index.html">Ohmpi:</a>
+ <a href="../index.html">Ohmpi:</a>
</nav>
@@ -159,7 +128,7 @@
<ul class="wy-breadcrumbs">
- <li><a href="index.html" class="icon icon-home"></a> »</li>
+ <li><a href="../index.html" class="icon icon-home"></a> »</li>
<li>OhmPi V 1.02 (limited to 32 electrodes)</li>
@@ -167,7 +136,7 @@
<li class="wy-breadcrumbs-aside">
- <a href="_sources/page2.rst.txt" rel="nofollow"> View page source</a>
+ <a href="../_sources/old/page2.rst.txt" rel="nofollow"> View page source</a>
</li>
@@ -259,7 +228,7 @@ For this step, the installation instructions are well described on the Raspberry
<p class="admonition-title">Note</p>
<p>All the development tests were performed on Raspberry Pi 3 Model B, we used the following version of Raspbian:</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/raspbian_version.jpg"><img alt="alternate text" src="_images/raspbian_version.jpg" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="old\raspbian_version.jpg"><img alt="alternate text" src="old\raspbian_version.jpg" style="width: 800px; height: 400px;" /></a>
</div>
</div>
<div class="admonition warning">
@@ -337,21 +306,21 @@ to leave the virtual environment simply type:</p>
<p>1- Run the Thonny Python IDE software, Click on raspebrry acces <strong>menu > programming> Thonny pythonIDE</strong></p>
<p>2- Thonny’s interface opens, Python runs on the Root (Python 3.7.3 (/usr/bin/python3))</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/thonny_first_interface.jpg"><img alt="alternate text" src="_images/thonny_first_interface.jpg" style="width: 600px; height: 450px;" /></a>
+<a class="reference internal image-reference" href="old\thonny_first_interface.jpg"><img alt="alternate text" src="old\thonny_first_interface.jpg" style="width: 600px; height: 450px;" /></a>
</div>
<p>3-Click on <strong>Run>select interpreter</strong>, a new window opens click on interpret</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/thonny_option.jpg"><img alt="alternate text" src="_images/thonny_option.jpg" style="width: 600px; height: 450px;" /></a>
+<a class="reference internal image-reference" href="old\thonny_option.jpg"><img alt="alternate text" src="old\thonny_option.jpg" style="width: 600px; height: 450px;" /></a>
</div>
<p>4-On the new open windows select <strong>alternative Pyhton3 or virtual environnement</strong></p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/thonny_interpreter.jpg"><img alt="alternate text" src="_images/thonny_interpreter.jpg" style="width: 600px; height: 450px;" /></a>
+<a class="reference internal image-reference" href="old\thonny_interpreter.jpg"><img alt="alternate text" src="old\thonny_interpreter.jpg" style="width: 600px; height: 450px;" /></a>
</div>
<p>5- New buttons appeared, selected <strong>“locate another python executable “</strong></p>
<p>6- A new window opens, find the folder where there is the python 3 file in the virtual environment folder previously created <strong>/home/pi/ohmpi/bin/python3</strong>.</p>
<p>7- In the <strong>known interpreter</strong> tab the path of the virtual environnementshould appear</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/thonny_interpreter_folder.jpg"><img alt="alternate text" src="_images/thonny_interpreter_folder.jpg" style="width: 600px; height: 450px;" /></a>
+<a class="reference internal image-reference" href="old\thonny_interpreter_folder.jpg"><img alt="alternate text" src="old\thonny_interpreter_folder.jpg" style="width: 600px; height: 450px;" /></a>
</div>
<p>8- Close the window by clicking on <strong>ok</strong>.</p>
<p>9- Close thonny to save modifications</p>
@@ -402,7 +371,7 @@ constitutes a potential hazard. We therefore recommend adding a 1.5-A fuse betwe
<p>3- To make sure that the signal is not skimmed, we have added a power supply of 24V on the AOPs, these are the TRN3-1211 components.</p>
</div>
<div class="align-center figure" id="id1">
-<a class="reference internal image-reference" href="_images/schema_measurement_board1_02.png"><img alt="alternate text" src="_images/schema_measurement_board1_02.png" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="old\schema_measurement_board1_02.png"><img alt="alternate text" src="old\schema_measurement_board1_02.png" style="width: 800px; height: 400px;" /></a>
<p class="caption"><span class="caption-text">Measurement board updated from the version 1.01 presented in clement et al 2020</span><a class="headerlink" href="#id1" title="Permalink to this image">¶</a></p>
</div>
</div>
@@ -459,11 +428,11 @@ Once all the components have been soldered together, the measurement board can b
battery terminal, according to Figure 9. Between the battery and the TX+ terminal of the measurement board, remember to
place a fuse holder with a 1.5-A fuse for safety purposes.</p>
<div class="align-center figure" id="id2">
-<a class="reference internal image-reference" href="_images/measurement_board1-02.jpg"><img alt="alternate text" src="_images/measurement_board1-02.jpg" style="width: 800px; height: 700px;" /></a>
+<a class="reference internal image-reference" href="old\measurement_board1-02.jpg"><img alt="alternate text" src="old\measurement_board1-02.jpg" style="width: 800px; height: 700px;" /></a>
<p class="caption"><span class="caption-text">Measurement circuit board assembly: a) printed circuit board, b) adding the 1-Kohm resistors ± 1%, c)adding the 1.5-Kohm resistors ± 1%, d) adding the black female 1 x 10 header and the 7-blue screw terminal block(2 pin, 3.5-mm pitch), e) adding the 50-ohm reference resistor ± 0.1%, and f) adding the ADS1115 and the LM358N low-power dual operational amplifiers</span><a class="headerlink" href="#id2" title="Permalink to this image">¶</a></p>
</div>
<div class="align-center figure" id="id3">
-<a class="reference internal image-reference" href="_images/measurement_board-2-V1-02.jpg"><img alt="alternate text" src="_images/measurement_board-2-V1-02.jpg" style="width: 800px; height: 700px;" /></a>
+<a class="reference internal image-reference" href="old\measurement_board-2-V1-02.jpg"><img alt="alternate text" src="old\measurement_board-2-V1-02.jpg" style="width: 800px; height: 700px;" /></a>
<p class="caption"><span class="caption-text">Measurement board installation with Raspberry Pi</span><a class="headerlink" href="#id3" title="Permalink to this image">¶</a></p>
</div>
</div>
@@ -482,7 +451,7 @@ the polarity at electrodes A and B. Thus, when relays 3 and 4 are energized by t
the positive battery pole is connected to electrode A and the negative pole to electrode B. When not energized,
they remain in the normally closed position. This set-up offers a simple and robust solution to inject current.</p>
<div class="align-center figure" id="id4">
-<a class="reference internal image-reference" href="_images/current_board.jpg"><img alt="alternate text" src="_images/current_board.jpg" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="old\current_board.jpg"><img alt="alternate text" src="old\current_board.jpg" style="width: 800px; height: 400px;" /></a>
<p class="caption"><span class="caption-text">Wiring of the 4-channel relay module board for current injection management</span><a class="headerlink" href="#id4" title="Permalink to this image">¶</a></p>
</div>
</div>
@@ -504,7 +473,7 @@ configuration enables making smaller multiplexers (8 or 16 electrodes only). On
which is entirely possible, a GPIO channel multiplier will have to be used.
To prepare the multiplexer, the channels of the two relay boards must be connected according to the wiring diagram shown below.</p>
<div class="align-center figure" id="id5">
-<a class="reference internal image-reference" href="_images/multiplexer_implementation.jpg"><img alt="alternate text" src="_images/multiplexer_implementation.jpg" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="old\multiplexer_implementation.jpg"><img alt="alternate text" src="old\multiplexer_implementation.jpg" style="width: 800px; height: 400px;" /></a>
<p class="caption"><span class="caption-text">Schematic diagram of the wiring of two 16-channel relay shields</span><a class="headerlink" href="#id5" title="Permalink to this image">¶</a></p>
</div>
<p>For this purpose, 0.5-mm² cables with end caps are used and their length adjusted for each connection in order to produce a clean assembly.
@@ -516,7 +485,7 @@ for activating each relay (Fig. 12). However, we will be activating several rela
see Section 2.4). To execute this step, it will be necessary to follow the protocol presented in Figure.</p>
<blockquote>
<div><div class="align-center figure" id="id6">
-<a class="reference internal image-reference" href="_images/connection.jpg"><img alt="alternate text" src="_images/connection.jpg" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="old\connection.jpg"><img alt="alternate text" src="old\connection.jpg" style="width: 800px; height: 400px;" /></a>
<p class="caption"><span class="caption-text">Connection to the 16-channel relay shield</span><a class="headerlink" href="#id6" title="Permalink to this image">¶</a></p>
</div>
</div></blockquote>
@@ -587,13 +556,13 @@ The next step consists of connecting the relay card inputs to the Raspberry Pi a
According to the chosen multiplexer configuration, all the relays of each multiplexer will be connected to an electrode and, consequently, each electrode will have four incoming
connections. Instead of having four cables connecting an electrode terminal to each multiplexer, we recommend using the cable assembly shown in the following Figure.</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/cable.jpg"><img alt="alternate text" src="_images/cable.jpg" style="width: 800px; height: 300px;" /></a>
+<a class="reference internal image-reference" href="old\cable.jpg"><img alt="alternate text" src="old\cable.jpg" style="width: 800px; height: 300px;" /></a>
</div>
<p>the next figure provides an example of multiplexer relay connections for electrode no. 1: this electrode of multiplexer MUX A must be connected to electrode no. 1 of MUX B. Moreover, electrode no. 1 of MUX B
must be connected to electrode no. 1 of MUX N, which in turn must be connected to electrode no. 1 of MUX M. Lastly, electrode no. 1 of MUX M is connected to the terminal block.
This operation must be repeated for all 32 electrodes.</p>
<div class="align-center figure">
-<a class="reference internal image-reference" href="_images/electrode_cable.jpg"><img alt="alternate text" src="_images/electrode_cable.jpg" style="width: 800px; height: 800px;" /></a>
+<a class="reference internal image-reference" href="old\electrode_cable.jpg"><img alt="alternate text" src="old\electrode_cable.jpg" style="width: 800px; height: 800px;" /></a>
</div>
</div>
<div class="section" id="operating-instruction">
@@ -643,13 +612,6 @@ are displayed on the screen. A measurement file is automatically created and nam
</div>
<footer>
- <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-
-
- <a href="page1.html" class="btn btn-neutral float-left" title="OhmPi V 1.01 (limited to 32 electrodes)" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
-
- </div>
-
<hr/>
diff --git a/sphinx/build/html/page0.html b/sphinx/build/html/page0.html
index 9f4e9d56341d37da82b91ef875968bc4df15a191..9da69c6beb959132b8beca9c016057b8979e9565 100644
--- a/sphinx/build/html/page0.html
+++ b/sphinx/build/html/page0.html
@@ -7,7 +7,7 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>OhmPi project — Ohmpi: open hardware resistivity-meter documentation</title>
+ <title>Premiere page — Ohmpi: open hardware resistivity-meter documentation</title>
@@ -84,12 +84,15 @@
<ul class="current">
-<li class="toctree-l1 current"><a class="current reference internal" href="#"><strong>OhmPi project</strong></a><ul>
-<li class="toctree-l2"><a class="reference internal" href="#introduction-to-ohmpi"><strong>Introduction to OhmPi</strong></a></li>
+<li class="toctree-l1 current"><a class="current reference internal" href="#">Premiere page</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#ohmpi-project"><strong>OhmPi project</strong></a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#citing-ohmpi"><strong>Citing OhmPi</strong></a></li>
+<li class="toctree-l3"><a class="reference internal" href="#introduction-to-ohmpi"><strong>Introduction to OhmPi</strong></a></li>
+</ul>
+</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
</ul>
@@ -136,7 +139,7 @@
<li><a href="index.html" class="icon icon-home"></a> »</li>
- <li><strong>OhmPi project</strong></li>
+ <li>Premiere page</li>
<li class="wy-breadcrumbs-aside">
@@ -155,8 +158,10 @@
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
<div itemprop="articleBody">
- <div class="section" id="ohmpi-project">
-<h1><strong>OhmPi project</strong><a class="headerlink" href="#ohmpi-project" title="Permalink to this headline">¶</a></h1>
+ <div class="section" id="premiere-page">
+<h1>Premiere page<a class="headerlink" href="#premiere-page" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="ohmpi-project">
+<h2><strong>OhmPi project</strong><a class="headerlink" href="#ohmpi-project" title="Permalink to this headline">¶</a></h2>
<a class="reference internal image-reference" href="_images/logo_ohmpi.JPG"><img alt="Logo OhmPi" class="align-center" src="_images/logo_ohmpi.JPG" style="width: 350px; height: 250px;" /></a>
<p>Authors:</p>
<div class="line-block">
@@ -188,8 +193,14 @@
<p>Creation date : Juillet 2020.</p>
<p>Update : 21 août 2020.</p>
<p>Status of document: In progress.</p>
+<div class="section" id="citing-ohmpi">
+<h3><strong>Citing OhmPi</strong><a class="headerlink" href="#citing-ohmpi" title="Permalink to this headline">¶</a></h3>
+<p><em>Rémi Clement, Yannick Fargier, Vivien Dubois, Julien Gance, Emile Gros, et al.. OhmPi: An open</em>
+<em>source data logger for dedicated applications of electrical resistivity imaging at the small and laboratory</em>
+<em>scale. HardwareX, Elsevier, 2020, 8, 24 p. ff10.1016/j.ohx.2020.e00122ff.</em></p>
+</div>
<div class="section" id="introduction-to-ohmpi">
-<h2><strong>Introduction to OhmPi</strong><a class="headerlink" href="#introduction-to-ohmpi" title="Permalink to this headline">¶</a></h2>
+<h3><strong>Introduction to OhmPi</strong><a class="headerlink" href="#introduction-to-ohmpi" title="Permalink to this headline">¶</a></h3>
<p>This documentation presents the development of a low-cost, open hardware resistivity meter to provide the scientific community with a robust and flexible tool for small-scale experiments. Called OhmPi, this basic resistivity meterfeatures current injection and measurement functions associated with a multiplexer that allows performing automatic measurements with up to 32 electrodes.OhmPi’s philosophy is to provide a fully open source and open hardware tool /
to the near surface scientific community.</p>
<div class="admonition note">
@@ -197,6 +208,7 @@ to the near surface scientific community.</p>
<p>Everyone willing to get involved is welcome in OhmPi Project!.</p>
</div>
</div>
+</div>
</div>
diff --git a/sphinx/build/html/page1.html b/sphinx/build/html/page1.html
index cafe5d883456370655dc8de25bee13340a962291..c4d97a7efd8d78b05322a49ac686ebef891d8686 100644
--- a/sphinx/build/html/page1.html
+++ b/sphinx/build/html/page1.html
@@ -37,8 +37,7 @@
<link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" />
- <link rel="next" title="OhmPi V 1.02 (limited to 32 electrodes)" href="page2.html" />
- <link rel="prev" title="OhmPi project" href="page0.html" />
+ <link rel="prev" title="Premiere page" href="page0.html" />
</head>
<body class="wy-body-for-nav">
@@ -84,7 +83,7 @@
<ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a></li>
+<li class="toctree-l1"><a class="reference internal" href="page0.html">Premiere page</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">OhmPi V 1.01 (limited to 32 electrodes)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#the-philosophy-of-ohmpi">The philosophy of Ohmpi</a></li>
<li class="toctree-l2"><a class="reference internal" href="#technical-data">Technical data</a></li>
@@ -115,7 +114,6 @@
<li class="toctree-l2"><a class="reference internal" href="#complete-list-of-components">Complete list of components</a></li>
</ul>
</li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
</ul>
@@ -222,7 +220,7 @@ control system</p></td>
<td><p>W</p></td>
</tr>
<tr class="row-odd"><td><p>Voltage injection</p></td>
-<td><p>12</p></td>
+<td><p>9</p></td>
<td><p>V</p></td>
</tr>
<tr class="row-even"><td><p>Battery</p></td>
@@ -456,7 +454,7 @@ Once all the components have been soldered together, the measurement board can b
battery terminal, according to Figure 9. Between the battery and the TX+ terminal of the measurement board, remember to
place a fuse holder with a 1.5-A fuse for safety purposes.</p>
<div class="align-center figure" id="id2">
-<a class="reference internal image-reference" href="_images/measurement_board.jpg"><img alt="alternate text" src="_images/measurement_board.jpg" style="width: 800px; height: 400px;" /></a>
+<a class="reference internal image-reference" href="_images/measurement_board.jpg"><img alt="alternate text" src="_images/measurement_board.jpg" style="width: 800px; height: 500px;" /></a>
<p class="caption"><span class="caption-text">Measurement circuit board assembly: a) printed circuit board, b) adding the 1-Kohm resistors ± 1%, c)adding the 1.5-Kohm resistors ± 1%, d) adding the black female 1 x 10 header and the 7-blue screw terminal block(2 pin, 3.5-mm pitch), e) adding the 50-ohm reference resistor ± 0.1%, and f) adding the ADS1115 and the LM358N low-power dual operational amplifiers</span><a class="headerlink" href="#id2" title="Permalink to this image">¶</a></p>
</div>
<div class="align-center figure" id="id3">
@@ -482,10 +480,23 @@ they remain in the normally closed position. This set-up offers a simple and rob
<a class="reference internal image-reference" href="_images/current_board.jpg"><img alt="alternate text" src="_images/current_board.jpg" style="width: 800px; height: 400px;" /></a>
<p class="caption"><span class="caption-text">Wiring of the 4-channel relay module board for current injection management</span><a class="headerlink" href="#id4" title="Permalink to this image">¶</a></p>
</div>
+<p>The next step consists of featuring the 4-channel relay module used for current injection and its assembly. The wiring
+between the relays must be carried out in strict accordance with Fig. 10. This card must then be connected to the Raspberry
+Pi and the measurement card. On the Raspberry Pi, it is necessary to connect inputs In1 and In2 to the same GPIO. For this
+purpose, it is necessary to solder together the two pins on the 4-channel relay shield module and connect them to the Raspberry Pi GPIO-7 (Fig. 10). The same must be performed for inputs In3 and In4 with GPIO-8. Connect the GND and 5Vdc pins of
+the relay card’s 4 channels respectively to the GND pin and 5Vcc of the Raspberry Pi. Now connect relays 1, 2, 3 and 4, as
+shown in the diagram, using 1-mm2 cables (red and black in Fig. 10). Lastly, connect the inputs of relay 1 and 2 respectively
+to terminals B and A of the measurement board.</p>
+<div class="align-center figure" id="id5">
+<a class="reference internal image-reference" href="_images/installation_current_board.jpg"><img alt="alternate text" src="_images/installation_current_board.jpg" style="width: 800px; height: 700px;" /></a>
+<p class="caption"><span class="caption-text">Current injection board installation with Raspberry Pi</span><a class="headerlink" href="#id5" title="Permalink to this image">¶</a></p>
+</div>
+<p>Congratulations, you have build a 4 electrodes resistivity-meter.</p>
</div>
<div class="section" id="frist-four-electrodes-resistivity-mesurement">
<h3>Frist four electrodes resistivity mesurement<a class="headerlink" href="#frist-four-electrodes-resistivity-mesurement" title="Permalink to this headline">¶</a></h3>
-<p>Under construction describe the way vlide the first part of the instruction.
+<p>Under construction !</p>
+<p>Describe the way thevalide the first part of the instruction.
Electrical resistivity measurement on test circuit</p>
</div>
</div>
@@ -500,9 +511,9 @@ modules with 16 channels each. On the first board, on each MUX, 15 relays out of
configuration enables making smaller multiplexers (8 or 16 electrodes only). On the other hand, if you prefer upping to 64 electrodes,
which is entirely possible, a GPIO channel multiplier will have to be used.
To prepare the multiplexer, the channels of the two relay boards must be connected according to the wiring diagram shown below.</p>
-<div class="align-center figure" id="id5">
-<a class="reference internal image-reference" href="_images/multiplexer_implementation.jpg"><img alt="alternate text" src="_images/multiplexer_implementation.jpg" style="width: 800px; height: 400px;" /></a>
-<p class="caption"><span class="caption-text">Schematic diagram of the wiring of two 16-channel relay shields</span><a class="headerlink" href="#id5" title="Permalink to this image">¶</a></p>
+<div class="align-center figure" id="id6">
+<a class="reference internal image-reference" href="_images/multiplexer_implementation.jpg"><img alt="alternate text" src="_images/multiplexer_implementation.jpg" style="width: 800px; height: 500px;" /></a>
+<p class="caption"><span class="caption-text">Schematic diagram of the wiring of two 16-channel relay shields</span><a class="headerlink" href="#id6" title="Permalink to this image">¶</a></p>
</div>
<p>For this purpose, 0.5-mm² cables with end caps are used and their length adjusted for each connection in order to produce a clean assembly.
The length was adjusted so that the distance between the two points to be connected could be directly measured on the board once they had
@@ -512,9 +523,9 @@ As a final step, connect the cables to the correct connectors. This operation mu
for activating each relay (Fig. 12). However, we will be activating several relays with a single GPIO (to limit the number of GPIOs used on Raspberry Pi,
see Section 2.4). To execute this step, it will be necessary to follow the protocol presented in Figure.</p>
<blockquote>
-<div><div class="align-center figure" id="id6">
+<div><div class="align-center figure" id="id7">
<a class="reference internal image-reference" href="_images/connection.jpg"><img alt="alternate text" src="_images/connection.jpg" style="width: 800px; height: 400px;" /></a>
-<p class="caption"><span class="caption-text">Connection to the 16-channel relay shield</span><a class="headerlink" href="#id6" title="Permalink to this image">¶</a></p>
+<p class="caption"><span class="caption-text">Connection to the 16-channel relay shield</span><a class="headerlink" href="#id7" title="Permalink to this image">¶</a></p>
</div>
</div></blockquote>
<p>For the 16-channel relay shield no. 1, these steps must be followed:
@@ -637,26 +648,169 @@ are displayed on the screen. A measurement file is automatically created and nam
</div>
<div class="section" id="complete-list-of-components">
<h2>Complete list of components<a class="headerlink" href="#complete-list-of-components" title="Permalink to this headline">¶</a></h2>
-<table class="colwidths-given docutils align-default">
+<div class="admonition warning">
+<p class="admonition-title">Warning</p>
+<p>The list to evolve a little after the publication of the article, it is necessary to refer to this list</p>
+</div>
+<table class="colwidths-given docutils align-default" id="id8">
+<caption><span class="caption-text">Table Title</span><a class="headerlink" href="#id8" title="Permalink to this table">¶</a></caption>
<colgroup>
-<col style="width: 11%" />
-<col style="width: 44%" />
-<col style="width: 44%" />
+<col style="width: 8%" />
+<col style="width: 18%" />
+<col style="width: 18%" />
+<col style="width: 18%" />
+<col style="width: 18%" />
+<col style="width: 18%" />
</colgroup>
<thead>
-<tr class="row-odd"><th class="head"><p>Shapes</p></th>
-<th class="head"><p>Description</p></th>
-<th class="head"><p>Description</p></th>
+<tr class="row-odd"><th class="head"><p>Component</p></th>
+<th class="head"><p>Number</p></th>
+<th class="head"><p>Cost per unit</p></th>
+<th class="head"><p>Total cost</p></th>
+<th class="head"><p>Manufacturer</p></th>
+<th class="head"><p>Manufacturer s reference</p></th>
</tr>
</thead>
<tbody>
-<tr class="row-even"><td><p>Square</p></td>
-<td><p>Four sides of equal length, 90 degree angles</p></td>
-<td><p>Description</p></td>
+<tr class="row-even"><td><p>Raspberry Pi 3 Model B+</p></td>
+<td><p>1</p></td>
+<td><p>37</p></td>
+<td><p>37</p></td>
+<td><p>Raspberry</p></td>
+<td><p>Raspberry Pi 3 Model B</p></td>
+</tr>
+<tr class="row-odd"><td><p>Raspberry Pi 1 2 and 3 Power Supply</p></td>
+<td><p>1</p></td>
+<td><p>8.37</p></td>
+<td><p>8.37</p></td>
+<td><p>Raspberry</p></td>
+<td><p>Raspberry Pi 1 2 and 3 Power Supply</p></td>
</tr>
-<tr class="row-odd"><td><p>Rectangle</p></td>
-<td><p>Four sides, 90 degree angles</p></td>
-<td><p>Description</p></td>
+<tr class="row-even"><td><p>SainSmart 16-Channel Canal 12V Relay Relais Module pour Arduino DSP AVR PIC ARM</p></td>
+<td><p>8</p></td>
+<td><p>24.99</p></td>
+<td><p>199.92</p></td>
+<td><p>Sain Smart</p></td>
+<td><p>101-70-103</p></td>
+</tr>
+<tr class="row-odd"><td><p>4-Channel 5V Relay Module</p></td>
+<td><p>1</p></td>
+<td><p>7.99</p></td>
+<td><p>7.99</p></td>
+<td><p>Sain Smart</p></td>
+<td><p>20-018-101-CMS</p></td>
+</tr>
+<tr class="row-even"><td><p>cable 1X1 mm2 (50 m)</p></td>
+<td><p>1</p></td>
+<td><p>19.66</p></td>
+<td><p>19.66</p></td>
+<td><p>TRU COMPONENTS</p></td>
+<td><p>1568649</p></td>
+</tr>
+<tr class="row-odd"><td><p>cable 1X0.5 mm2 (100 m)</p></td>
+<td><p>1</p></td>
+<td><p>29.71</p></td>
+<td><p>29.71</p></td>
+<td><p>TRU COMPONENTS</p></td>
+<td><p>1565235</p></td>
+</tr>
+<tr class="row-even"><td><p>Printed circuit board (packaging quantity x 3)</p></td>
+<td><p>1</p></td>
+<td><p>12</p></td>
+<td><p>12</p></td>
+<td><p>Asler</p></td>
+<td><p>0</p></td>
+</tr>
+<tr class="row-odd"><td><p>Header sets 1x10</p></td>
+<td><p>1</p></td>
+<td><p>2.68</p></td>
+<td><p>2.68</p></td>
+<td><p>Samtec</p></td>
+<td><p>SSW-110-02-G-S</p></td>
+</tr>
+<tr class="row-even"><td><p>Dual screw terminal (3.5-mm pitch)</p></td>
+<td><p>7</p></td>
+<td><p>0.648</p></td>
+<td><p>4.55</p></td>
+<td><p>RS PRO</p></td>
+<td><p>897-1332</p></td>
+</tr>
+<tr class="row-odd"><td><p>Resistor 1 Kohm 0.5W +- 0.1%</p></td>
+<td><p>4</p></td>
+<td><p>0.858</p></td>
+<td><p>3.44</p></td>
+<td><p>TE Connectivity</p></td>
+<td><p>H81K0BYA</p></td>
+</tr>
+<tr class="row-even"><td><p>Resistor 1.5 Kohms +- 0.1%</p></td>
+<td><p>4</p></td>
+<td><p>0.627</p></td>
+<td><p>2.52</p></td>
+<td><p>TE Connectivity</p></td>
+<td><p>H81K5BYA</p></td>
+</tr>
+<tr class="row-odd"><td><p>Resistor 50 +- 0.1%</p></td>
+<td><p>1</p></td>
+<td><p>8.7</p></td>
+<td><p>8.7</p></td>
+<td><p>TE Connectivity</p></td>
+<td><p>UPW50B50RV</p></td>
+</tr>
+<tr class="row-even"><td><p>LM358N AMP-o</p></td>
+<td><p>4</p></td>
+<td><p>0.8</p></td>
+<td><p>2.4</p></td>
+<td><p>Texas Instruments</p></td>
+<td><p>LM358AN/NOPB</p></td>
+</tr>
+<tr class="row-odd"><td><p>ADS1115</p></td>
+<td><p>1</p></td>
+<td><p>11.9</p></td>
+<td><p>11.9</p></td>
+<td><p>Adafruit</p></td>
+<td><p>1083</p></td>
+</tr>
+<tr class="row-even"><td><p>12V battery 7ah</p></td>
+<td><p>1</p></td>
+<td><p>19.58</p></td>
+<td><p>19.58</p></td>
+<td><p>RS PRO</p></td>
+<td><p>537-5488</p></td>
+</tr>
+<tr class="row-odd"><td><p>Battery Holder Type D LR20 (9V)</p></td>
+<td><p>1</p></td>
+<td><p>3.43</p></td>
+<td><p>3.43</p></td>
+<td><p>RS PRO</p></td>
+<td><p>185-4686</p></td>
+</tr>
+<tr class="row-even"><td><p>Ferrule Crimp Terminal (1 mm2) (500 pieces)</p></td>
+<td><p>1</p></td>
+<td><p>30.48</p></td>
+<td><p>30.48</p></td>
+<td><p>WEIDMULLER</p></td>
+<td><p>9004330000</p></td>
+</tr>
+<tr class="row-odd"><td><p>Electrical Crimp Terminal (0.5 mm2) (100 piece)</p></td>
+<td><p>1</p></td>
+<td><p>6.38</p></td>
+<td><p>6.38</p></td>
+<td><p>AMP - TE CONNECTIVITY</p></td>
+<td><p>966067-1</p></td>
+</tr>
+<tr class="row-even"><td><p>Car Fuse 1.0 A</p></td>
+<td><p>1</p></td>
+<td><p>0.2</p></td>
+<td></td>
+<td><p>LITTELFUSE</p></td>
+<td><p>LITTELFUSE</p></td>
+</tr>
+<tr class="row-odd"><td><p>Fuse holder (576-FHAC0002ZXJ)</p></td>
+<td><p>1</p></td>
+<td><p>4.96</p></td>
+<td><p>4.96</p></td>
+<td><p>LITTELFUSE</p></td>
+<td><p>FHAC0002ZXJ</p></td>
</tr>
</tbody>
</table>
@@ -671,10 +825,8 @@ are displayed on the screen. A measurement file is automatically created and nam
<div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
- <a href="page2.html" class="btn btn-neutral float-right" title="OhmPi V 1.02 (limited to 32 electrodes)" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
-
- <a href="page0.html" class="btn btn-neutral float-left" title="OhmPi project" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
+ <a href="page0.html" class="btn btn-neutral float-left" title="Premiere page" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
</div>
diff --git a/sphinx/build/html/search.html b/sphinx/build/html/search.html
index 9fac63ac5722c9b32f3b20dbddc0399caa0ebf7b..4e2dfae2463a9fccc22f787e473349bda934de09 100644
--- a/sphinx/build/html/search.html
+++ b/sphinx/build/html/search.html
@@ -84,9 +84,8 @@
<ul>
-<li class="toctree-l1"><a class="reference internal" href="page0.html"><strong>OhmPi project</strong></a></li>
+<li class="toctree-l1"><a class="reference internal" href="page0.html">Premiere page</a></li>
<li class="toctree-l1"><a class="reference internal" href="page1.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1"><a class="reference internal" href="page2.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
</ul>
diff --git a/sphinx/build/html/searchindex.js b/sphinx/build/html/searchindex.js
index f5dbb48bbe7e1318869302c9213daa7f23d8cafe..9ef8c99fe98ac97d4476c9ef0dc8cb3bcfe436a0 100644
--- a/sphinx/build/html/searchindex.js
+++ b/sphinx/build/html/searchindex.js
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Open source and open hardware resitivity-meter","Premiere page","OhmPi V 1.01 (limited to 32 electrodes)"],titleterms:{IDE:2,The:2,activ:2,assembl:2,bienvenu:[],board:2,card:2,center:0,cett:[],cite:1,complet:2,compon:2,configur:2,connect:2,construct:[],current:2,data:2,delight:[],descript:2,developp:[],document:0,electr:2,electrod:2,environn:2,formul:[],four:2,frist:2,frozen:[],hardwar:0,imag:[],implement:2,implent:2,inastal:[],indic:[],initi:2,inject:2,instal:2,instruct:2,introduct:1,lien:[],limit:2,list:2,massembl:[],measur:2,mesur:2,meter:0,modif:[],multiplex:2,ohmpi:[0,1,2],onli:2,open:0,openalea:[],oper:2,packag:2,page:1,paramet:2,philosophi:2,preliminari:2,premier:1,procedur:2,project:1,python:2,rapberri:2,raspberri:2,resist:2,resit:0,run:[],second:[],sourc:0,startup:2,step:[],summari:0,sur:[],tabl:2,technic:2,text:[],thonni:2,titl:2,virtual:2,welcom:[]}})
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diff --git a/sphinx/source/electrode_cable.jpg b/sphinx/source/electrode_cable.jpg
index dd8086de23855142fc94566c1fce8d402b23631b..b08e282454dc329e4f08635d10e1e64ff9a9af29 100644
Binary files a/sphinx/source/electrode_cable.jpg and b/sphinx/source/electrode_cable.jpg differ
diff --git a/sphinx/source/index.rst b/sphinx/source/index.rst
index fcded7149cfadf32c893c68f2cf60a0c9e14d1a8..553349203a041c492b6e7a369d4a81142fc2ee6c 100644
--- a/sphinx/source/index.rst
+++ b/sphinx/source/index.rst
@@ -10,6 +10,7 @@ OHMPI: Open source and open hardware resitivity-meter
:Release: |release|
:Date: |today|
+ :Date start: July 2016
:Authors: **Rémi CLEMENT, Nicolas FORQUET, Julien GANCE, Yannick FARGIER, Vivien DUBOIS, Hélène GUYARD**
:Target: users, researchers and developers
:status: some mature, some in progress
@@ -32,7 +33,7 @@ Contents:
page0
page1
- page2
+
diff --git a/sphinx/source/installation_current_board.jpg b/sphinx/source/installation_current_board.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ada4ec2b24f5f3f5c2b07bff2655e2fd7ef35f2a
Binary files /dev/null and b/sphinx/source/installation_current_board.jpg differ
diff --git a/sphinx/source/list.csv b/sphinx/source/list.csv
new file mode 100644
index 0000000000000000000000000000000000000000..2802498f4c3b6fa44ee58eb37684ff8e2fab46e8
--- /dev/null
+++ b/sphinx/source/list.csv
@@ -0,0 +1,21 @@
+Component,Number,Cost per unit ,Total cost,Manufacturer,Manufacturer s reference
+Raspberry Pi 3 Model B+,1,37,37,Raspberry,Raspberry Pi 3 Model B
+Raspberry Pi 1 2 and 3 Power Supply,1,8.37,8.37,Raspberry,Raspberry Pi 1 2 and 3 Power Supply
+SainSmart 16-Channel Canal 12V Relay Relais Module pour Arduino DSP AVR PIC ARM,8,24.99,199.92,Sain Smart,101-70-103
+4-Channel 5V Relay Module,1,7.99,7.99,Sain Smart,20-018-101-CMS
+cable 1X1 mm2 (50 m),1,19.66,19.66,TRU COMPONENTS,1568649
+cable 1X0.5 mm2 (100 m),1,29.71,29.71,TRU COMPONENTS,1565235
+Printed circuit board (packaging quantity x 3),1,12,12,Asler,0
+Header sets 1x10,1,2.68,2.68,Samtec,SSW-110-02-G-S
+Dual screw terminal (3.5-mm pitch),7,0.648,4.55,RS PRO,897-1332
+Resistor 1 Kohm 0.5W +- 0.1%,4,0.858,3.44,TE Connectivity,H81K0BYA
+Resistor 1.5 Kohms +- 0.1%,4,0.627,2.52,TE Connectivity,H81K5BYA
+Resistor 50 +- 0.1%,1,8.7,8.7,TE Connectivity,UPW50B50RV
+LM358N AMP-o,4,0.8,2.4,Texas Instruments,LM358AN/NOPB
+ADS1115,1,11.9,11.9,Adafruit,1083
+12V battery 7ah,1,19.58,19.58,RS PRO,537-5488
+Battery Holder Type D LR20 (9V),1,3.43,3.43,RS PRO,185-4686
+Ferrule Crimp Terminal (1 mm2) (500 pieces),1,30.48,30.48,WEIDMULLER,9004330000
+Electrical Crimp Terminal (0.5 mm2) (100 piece),1,6.38,6.38,AMP - TE CONNECTIVITY,966067-1
+Car Fuse 1.0 A,1,0.2,,LITTELFUSE,LITTELFUSE
+Fuse holder (576-FHAC0002ZXJ),1,4.96,4.96,LITTELFUSE,FHAC0002ZXJ
diff --git a/sphinx/source/list.xlsx b/sphinx/source/list.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..89cd84b07d941704d070fce17051f578af4ebb18
Binary files /dev/null and b/sphinx/source/list.xlsx differ
diff --git a/sphinx/source/measurement_board-2.jpg b/sphinx/source/measurement_board-2.jpg
index e9d5b5a797ebea34a02ca17f3913f89f0e8f549d..938973dfd80ae4514a11be61f2390437fa3aacdf 100644
Binary files a/sphinx/source/measurement_board-2.jpg and b/sphinx/source/measurement_board-2.jpg differ
diff --git a/sphinx/source/old/page2.rst b/sphinx/source/old/page2.rst
new file mode 100644
index 0000000000000000000000000000000000000000..9bfa4a4d394135fd5f27261223b085463a6ed1d6
--- /dev/null
+++ b/sphinx/source/old/page2.rst
@@ -0,0 +1,492 @@
+*****************************************
+OhmPi V 1.02 (limited to 32 electrodes)
+*****************************************
+
+The philosophy of Ohmpi
+**************************
+The philosophy of Ohmpi V1.01 is to offer a multi electrode resistivity meter, from a set of commercially available
+electronic cards it is a resistivity meter limited to 32 electrodes only. It is limited to low-current injection,
+but suitable for small laboratory experiments and small field time monitoring
+
+
+Technical data
+***************
++-------------------------------+--------------------+-----------+
+| **Parameter** | **Specifications** | Units |
++-------------------------------+--------------------+-----------+
+|Electrodes |32 | |
++-------------------------------+--------------------+-----------+
+|Operating temperature |0 to 50 |°c |
++-------------------------------+--------------------+-----------+
+|Power consumption of CPU and |18.5 |W |
+|control system | | |
++-------------------------------+--------------------+-----------+
+|Voltage injection |12 |V |
++-------------------------------+--------------------+-----------+
+|Battery |12 |V |
++-------------------------------+--------------------+-----------+
+|Current |0 to 50 |mA |
++-------------------------------+--------------------+-----------+
+|Min pulse duration |150 |mS |
++-------------------------------+--------------------+-----------+
+|Input impedance |36 |Mohm |
++-------------------------------+--------------------+-----------+
+|Data storage |micro SD card | |
++-------------------------------+--------------------+-----------+
+|Resolution |O.O1 |ohm |
++-------------------------------+--------------------+-----------+
+
+Raspberry Pi configuration
+******************************************
+OS installation
+================
+
+The first step is to start up the Raspberry Pi board, including installation of an OS (operating system).
+For this step, the installation instructions are well described on the Raspberry website
+
+1. Watch the vidéo "how to set up your raspberry Pi" (https://www.youtube.com/watch?v=wjWZhV1v3Pk)
+
+2. The authors recommend installing the latest stable and complete version of Raspbian by using NOOBS (a simple-to-use operating system installer).
+
+.. note::
+ All the development tests were performed on Raspberry Pi 3 Model B, we used the following version of Raspbian:
+
+ .. figure:: raspbian_version.jpg
+ :width: 800px
+ :align: center
+ :height: 400px
+ :alt: alternate text
+ :figclass: align-center
+
+
+
+.. warning::
+ Once the OS has been installed, **1-wire, spi and GPIO remote option** must be deactivated via the Raspbian GUI settings menu. Failure to carry out this task may cause damage to the relay shield cards during measurements.
+
+
+
+
+3. When the relays are connected to the GPIO, make sure that all the GPIOs are in the low position when the raspberry starts up. If not, the relays will activate unexpectedly.
+To ensure that the GPIOs are in Low position, you will need to modify the /boot/config.txt file.
+
+ Run the terminal, and write
+
+ .. code-block:: python
+
+ cd /boot/
+
+4. Open config.txt with GNU nano editor
+
+ .. code-block:: python
+
+ sudo nano config.txt
+
+5. At the end of the file write :
+
+ .. code-block:: python
+
+ gpio=8=op,dl
+ gpio=7=op,dl
+
+6. Press Ctrl +O to save the modifications and press enter
+7. Press Ctrl +x to escap and return to the terminal
+8. Close the terminal
+
+
+
+Virtual Environnement and packages
+==================================
+
+All dependencies are specified in requirements.txt
+
+.. note::
+ all instructions below should be typed in the terminal
+
+It is first necessary to ensure that the libatlas-base-dev library is installed:
+
+.. code-block:: python
+
+ sudo apt-get install libatlas-base-dev
+
+We strongly recommend users to create a virtual environment to run the code and installed all required dependencies. It can be done either in a directory gathering all virtual environments used on the computer or within the ohmpy directory.
+
+Create the virtual environment:
+
+.. code-block:: python
+
+ python3 -m venv ohmpy
+
+Activate it using the following command:
+
+.. code-block:: python
+
+ source ohmpy/bin/activate
+
+Install packages within the virtual environment. Installing the following package should be sufficient to meet dependencies:
+
+.. code-block:: python
+
+ pip install RPi.GPIO adafruit-blinka numpy adafruit-circuitpython-ads1x15 pandas
+
+Check that requirements are met using
+
+.. code-block:: python
+
+ pip list
+
+You should run you code within the virtual environment
+to leave the virtual environment simply type:
+
+.. code-block:: python
+
+ deactivate
+
+
+Activate virtual environnement on Thonny (Python IDE) (on Rapberry Pi)
+========================================================================
+
+If you decided to use a virtual environment, it is necessary to setup Thonny Python IDE the first time you use it.
+
+1- Run the Thonny Python IDE software, Click on raspebrry acces **menu > programming> Thonny pythonIDE**
+
+2- Thonny's interface opens, Python runs on the Root (Python 3.7.3 (/usr/bin/python3))
+
+.. figure:: thonny_first_interface.jpg
+ :width: 600px
+ :align: center
+ :height: 450px
+ :alt: alternate text
+ :figclass: align-center
+
+3-Click on **Run>select interpreter**, a new window opens click on interpret
+
+.. figure:: thonny_option.jpg
+ :width: 600px
+ :align: center
+ :height: 450px
+ :alt: alternate text
+ :figclass: align-center
+
+4-On the new open windows select **alternative Pyhton3 or virtual environnement**
+
+.. figure:: thonny_interpreter.jpg
+ :width: 600px
+ :align: center
+ :height: 450px
+ :alt: alternate text
+ :figclass: align-center
+
+5- New buttons appeared, selected **"locate another python executable "**
+
+6- A new window opens, find the folder where there is the python 3 file in the virtual environment folder previously created **/home/pi/ohmpi/bin/python3**.
+
+7- In the **known interpreter** tab the path of the virtual environnementshould appear
+
+.. figure:: thonny_interpreter_folder.jpg
+ :width: 600px
+ :align: center
+ :height: 450px
+ :alt: alternate text
+ :figclass: align-center
+
+8- Close the window by clicking on **ok**.
+
+9- Close thonny to save modifications
+
+
+Assembly of the measuring/current injection cards, and connection with the Raspberry Pi
+*****************************************************************************************
+
+Electrical resistivity measurements board
+==========================================
+
+a) Description
+-----------------------------
+
+To measure electrical resistivity with Raspberry Pi, an ADS1115 was introduced, as proposed by Florsch [7]. The ADS1115
+is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. Its value has been set at 2/3 in this study. The
+input signal value could lie between - to + 6.114 V. The ADS1115 is mounted on a board adapted from an in-house design.
+Figure 5 shows the general diagram for the electronic measurement board developed. This figure also displays the test
+circuit used to test the board in the laboratory, which mimics the behavior of a soil subjected to current injection.
+In this test circuit, resistance R11 represents the soil resistance.
+Soil resistance R11 is connected to electrodes A and B for the current injection. Resistors R10 and R12 constitute
+the contact resistances between soil and electrodes; they are typically made of stainless steel. The battery, which
+allows for direct current injection, is connected in series with resistors R10, R11 and R12. In this part of the board,
+resistance R9 has been added to measure the current flowing between electrodes A and B. This resistance value has been
+set at 50 ohms in order to ensure:
+• a precise resistance,
+• a resistance less than the sum of resistors R10, R11 and R12; indeed, R10 and R12 generally lie between 100 and 5,000 ohms.
+To measure the current intensity between A and B, the electrical potential difference at the pole of the reference resistor (R9)
+is measured. The intensity (in mA) is calculated by inserting the resulting value into the following: ?
+To measure the potential difference needed to measure current intensity, the ADS 1115 is connected to the ground of the circuit.
+In our case, the ground reference is electrode B. The analog inputs A1 and A0 of the ADS1115 are connected to each pole of the
+reference resistor (R9). In order to increase input impedance and adapt the signal gain, tracking amplifiers have been included
+and completed by a divider bridge (R5, R8, R6 and R7) located between the two amplifiers. The resistance of the divider bridge
+ensures that the signal remains between 0 and 5 V, in accordance with the ADS1115 signal gain. To measure the potential difference,
+the M and N electrodes are connected to analog inputs A2 and A3 of the ADS 1115. Between the ADC and the electrodes, two tracking
+amplifiers and a divider bridge have been positioned so as to obtain a potential lying within the 0-5 V range at the analog input of the ADS 1115.
+Let's note that the potential difference value would equal the potential measured with ADS1115 multiplied by the voltage reduction
+value of the divider bridge (see Section 5.2). Despite the use of high-resolution resistance (i.e. accurate to within 1%), it is
+still necessary to calibrate the divider bridge using a precision voltmeter. For this purpose, the input and output potentials
+of the divider bridge must be measured using an equivalent circuit for various electrical potential values. These values serve
+to calculate the gain. With this electronic board, it is possible to measure the potential and intensity without disturbing the
+electric field in the ground, with the total input impedance value being estimated at 36 mega-ohms.
+A shortcut between Electrodes A and B will generate excessive currents, whose intensities depend on the type of battery used.
+A lithium ion battery or automobile-type lead-acid battery can deliver a strong enough current to damage the board and, as such,
+constitutes a potential hazard. We therefore recommend adding a 1.5-A fuse between the battery and resistor R9.
+
+.. note::
+ Last update:
+
+ 1- The board has been slightly modified, we have added a decoupling capacitor at the input of the Operational Amplifiers (AOP) channels, to ensure a good performance of the AOPs (100nF/ 50VDC).
+
+ 2- On each input of the AOP signals, we have also added a 10 MOhms resistor, so that the inputs take the value of the ground when the system does not measure and thus limit the overheating of the AOP.
+
+ 3- To make sure that the signal is not skimmed, we have added a power supply of 24V on the AOPs, these are the TRN3-1211 components.
+
+
+.. figure:: schema_measurement_board1_02.png
+ :width: 800px
+ :align: center
+ :height: 400px
+ :alt: alternate text
+ :figclass: align-center
+
+ Measurement board updated from the version 1.01 presented in clement et al 2020
+
+b) Implementation
+--------------------------------
+The measurement board must be printed using the PCB file (Source file repository), with components soldered onto
+it by following the steps described below and illustrated in the following figure :
+
+* Step no. 1: test divider bridge
+ For each measurement channel, we have installed a bridge divider, it is necessary to test with ohmmeter the value of the resistances, to adjust each coefficients (coef_p0, coef_p1, coef_p2, coef_p3) in the Ohmpi.py code..
+
+ .. math::
+ coeff po = (R1 + R2) / R1
+
+ .. math::
+ coeff p1 = (R3 + R4) / R3
+
+ .. math::
+ coeff p2 = (R7 + R6) / R7
+
+ .. math::
+ coeff p3 = (R9 + R8) / R9
+
+ .. code-block:: python
+ :linenos:
+ :lineno-start: 31
+
+ """
+ hardware parameters
+ """
+ R_ref = 50 # reference resistance value in ohm
+ coef_p0 = 2.5 # slope for current conversion for ADS.P0, measurement in V/V
+ coef_p1 = 2.5 # slope for current conversion for ADS.P1, measurement in V/V
+ coef_p2 = 2.5 # slope for current conversion for ADS.P2, measurement in V/V
+ coef_p3 = 2.5 # slope for current conversion for ADS.P3, measurement in V/V
+
+ The coefficient parameters can be adjusted in lines 31 to 35 of the ohmpi.py code.
+
+
+* Step no. 2: installation of the 1-Kohm resistors with an accuracy of ± 0.1% (following figure-b).
+* Step no. 3: installation of the 1.5-Kohm resistors with an accuracy of ± 0.1% (following figure-c).
+* Step no. 4: installation of both the black female 1 x 10 header and the 7-blue screw terminal blocks (following figure-d)
+* Step no. 5: installation of the 50-Ohm reference resistor ± 0.1%, please check the value with ohmmeter and correct in the jason file (ohmpi_param.json),(following figure-e).
+* Step no. 6: addition of both the ADS115 directly onto the header (pins must be plugged according to the figure) and the LM358N operational amplifiers (pay attention to the direction) (following figure-f).
+* Step no. 7: installation of the 10-Mohm resistors
+* Step no. 8: addition of the DC/DC converter (TRN3-1211)
+* Step no. 9: adding 10nF capacitor and fuse (1.5A-littlefuse ref: 0253001.V)
+
+1-Kohm and 1.5-Kohm resistors apply to the divider bridge. If, for example, you prefer using a weaker
+or stronger power supply, it would be possible to adjust the divider bridge value by simply modifying these resistors.
+Once all the components have been soldered together, the measurement board can be connected to the Raspberry Pi and the
+battery terminal, according to Figure 9. Between the battery and the TX+ terminal of the measurement board, remember to
+place a fuse holder with a 1.5-A fuse for safety purposes.
+
+.. figure:: measurement_board1-02.jpg
+ :width: 800px
+ :align: center
+ :height: 700px
+ :alt: alternate text
+ :figclass: align-center
+
+ Measurement circuit board assembly: a) printed circuit board, b) adding the 1-Kohm resistors ± 1%, c)adding the 1.5-Kohm resistors ± 1%, d) adding the black female 1 x 10 header and the 7-blue screw terminal block(2 pin, 3.5-mm pitch), e) adding the 50-ohm reference resistor ± 0.1%, and f) adding the ADS1115 and the LM358N low-power dual operational amplifiers
+
+.. figure:: measurement_board-2-V1-02.jpg
+ :width: 800px
+ :align: center
+ :height: 700px
+ :alt: alternate text
+ :figclass: align-center
+
+ Measurement board installation with Raspberry Pi
+
+Current injection board
+=======================
+
+To carry out the electrical resistivity measurement, the first step consists of injecting current into the ground.
+In our case, a simple 12-V lead-acid battery is used to create an electrical potential difference that results
+in current circulating into the ground. The current is injected through electrodes A and B (see Fig. 2). This
+injection is controlled via a 4-channel relay module board connected to the Raspberry Pi. The mechanical relay
+module board is shown in Figure 4. Relays 1 and 2 serve to switch on the current source. The common contacts
+of relays 1 and 2 are connected to the positive and negative battery poles, respectively. The normally open
+contacts of both relays are connected to the common contacts of relays 3 and 4. Relays 1 and 2 are connected
+to the GPIO 7 on the Raspberry Pi and therefore activate simultaneously. The role of relays 3 and 4 is to reverse
+the polarity at electrodes A and B. Thus, when relays 3 and 4 are energized by the GPIO 8 in the open position,
+the positive battery pole is connected to electrode A and the negative pole to electrode B. When not energized,
+they remain in the normally closed position. This set-up offers a simple and robust solution to inject current.
+
+.. figure:: current_board.jpg
+ :width: 800px
+ :align: center
+ :height: 400px
+ :alt: alternate text
+ :figclass: align-center
+
+ Wiring of the 4-channel relay module board for current injection management
+
+
+Frist four electrodes resistivity mesurement
+============================================
+
+
+Under construction describe the way vlide the first part of the instruction.
+Electrical resistivity measurement on test circuit
+
+
+Multiplexer implentation
+*************************
+The resistivity measurement is conducted on four terminals (A, B, M and N). The user could perform each measurement
+by manually plugging four electrodes into the four channel terminals. In practice, ERT requires several tens or thousands
+of measurements conducted on different electrode arrays. A multiplexer is therefore used to connect each channel to one of
+the 32 electrodes stuck into the ground, all of which are connected to the data logger.
+
+
+We will describe below how to assemble the four multiplexers (MUX), one per terminal. A multiplexer consists of 2 relay
+modules with 16 channels each. On the first board, on each MUX, 15 relays out of the 16 available will be used. Please note that the suggested
+configuration enables making smaller multiplexers (8 or 16 electrodes only). On the other hand, if you prefer upping to 64 electrodes,
+which is entirely possible, a GPIO channel multiplier will have to be used.
+To prepare the multiplexer, the channels of the two relay boards must be connected according to the wiring diagram shown below.
+
+.. figure:: multiplexer_implementation.jpg
+ :width: 800px
+ :align: center
+ :height: 400px
+ :alt: alternate text
+ :figclass: align-center
+
+ Schematic diagram of the wiring of two 16-channel relay shields
+
+
+For this purpose, 0.5-mm² cables with end caps are used and their length adjusted for each connection in order to produce a clean assembly.
+The length was adjusted so that the distance between the two points to be connected could be directly measured on the board once they had
+been assembled one above the other, in adding an extra 3 cm. The wires at the ends need to be stripped and the end caps added.
+As a final step, connect the cables to the correct connectors. This operation must be repeated in order to carry out all the wiring shown in Figure below.
+
+Once the operation has been completed, the 16 control pins of each 16-channel relay shield card must be prepared. Each card actually contains 16 input channels
+for activating each relay (Fig. 12). However, we will be activating several relays with a single GPIO (to limit the number of GPIOs used on Raspberry Pi,
+see Section 2.4). To execute this step, it will be necessary to follow the protocol presented in Figure.
+
+ .. figure:: connection.jpg
+ :width: 800px
+ :align: center
+ :height: 400px
+ :alt: alternate text
+ :figclass: align-center
+
+ Connection to the 16-channel relay shield
+
+For the 16-channel relay shield no. 1, these steps must be followed:
+* Position a test circuit with 10 horizontal and 10 vertical holes on the pins of the 16-channel relay shield board.
+* Follow the diagram and solder the pins as shown in Fig.
+* Lastly, solder 0.5-mm² wires 1 m in length to the test circuit.
+
+For relay shield no. 2, follow the same procedure, but solder all the pins together (d-e-f).
+This same operation must be repeated for the other three multiplexers as well.
+The next step consists of connecting the relay card inputs to the Raspberry Pi according to Table 5 for all four multiplexers.
+
+
++-------------------------------+-------------------------------------------+---------------------+
+| |Relay shield n°1 |Relay Shield n°2 |
+| +----------+----------+----------+----------+---------------------+
+| |Pin 1 |Pin 2-3 |Pin 4-7 |Pin 8-16 |Pin 1- 16 |
++-------------------------------+----------+----------+----------+----------+---------------------+
+| Multiplexer A |12 |16 |20 |21 |26 |
++-------------------------------+----------+----------+----------+----------+---------------------+
+| Multiplexer B |18 |23 |24 |25 |19 |
++-------------------------------+----------+----------+----------+----------+---------------------+
+| Multiplexer M |06 |13 |04 |17 |27 |
++-------------------------------+----------+----------+----------+----------+---------------------+
+| Multiplexer N |22 |10 |09 |11 |05 |
++-------------------------------+----------+----------+----------+----------+---------------------+
+
+ Connection of the GPIOs to each multiplexer
+
+
+Electrode connection
+*************************
+At this point, all that remains is to connect the electrodes of each multiplexer to a terminal block (Fig. 13). In our set-up, screw terminals assembled on a din rail were used.
+According to the chosen multiplexer configuration, all the relays of each multiplexer will be connected to an electrode and, consequently, each electrode will have four incoming
+connections. Instead of having four cables connecting an electrode terminal to each multiplexer, we recommend using the cable assembly shown in the following Figure.
+
+.. figure:: cable.jpg
+ :width: 800px
+ :align: center
+ :height: 300px
+ :alt: alternate text
+ :figclass: align-center
+
+the next figure provides an example of multiplexer relay connections for electrode no. 1: this electrode of multiplexer MUX A must be connected to electrode no. 1 of MUX B. Moreover, electrode no. 1 of MUX B
+must be connected to electrode no. 1 of MUX N, which in turn must be connected to electrode no. 1 of MUX M. Lastly, electrode no. 1 of MUX M is connected to the terminal block.
+This operation must be repeated for all 32 electrodes.
+
+.. figure:: electrode_cable.jpg
+ :width: 800px
+ :align: center
+ :height: 800px
+ :alt: alternate text
+ :figclass: align-center
+
+Operating instruction
+*************************
+
+Preliminary procedure (Only for the initial operation)
+======================================================
+The open source code must be downloaded at the Open Science Framework source file repository for this manuscript (https://osf.io/dzwb4/)
+or at the following Gitlab repository address: https://gitlab.irstea.fr/reversaal/OhmPi. The code must be then unzipped into a selected folder (e.g. OhmPi-master). A “readme†file
+is proposed in the directory to assist with installation of the software and required python packages. It is strongly recommended to create a python virtual environment for installing
+the required packages and running the code.
+
+
+Startup procedure
+==================
+As an initial operating instruction, the 12-V battery must be disconnected before any hardware handling. Ensure that the battery is charged at full capacity. Plug all the electrodes (32 or fewer)
+into the screw terminals. The Raspberry Pi must be plugged into a computer screen, with a mouse and keyboard accessed remotely. The Raspberry Pi must then be plugged into the power supply
+(for laboratory measurements) or a power bank (5V - 2A for field measurements). At this point, you'll need to access the Raspbian operating system. Inside the previously created folder “ohmPiâ€,
+the protocol file “ABMN.txt†must be created or modified; this file contains all quadrupole ABMN numeration (an example is proposed with the source code). Some input parameters of the main “ohmpi.pyâ€
+function may be adjusted/optimized depending on the measurement attributes. For example, both the current injection duration and number of stacks can be adjusted. At this point, the 12-V battery can be
+plugged into the hardware; the "ohmpi.py" source code must be run within a python3 environment (or a virtual environment if one has been created) either in the terminal or using Thonny. You should now
+hear the characteristic sound of a relay switching as a result of electrode permutation. After each quadrupole measurement, the potential difference as well as the current intensity and resistance
+are displayed on the screen. A measurement file is automatically created and named "measure.csv"; it will be placed in the same folder.
+
+Electrical resistivity measurement parameters description
+==========================================================
+
+.. code-block:: python
+ :linenos:
+ :lineno-start: 2
+
+ nb_electrodes = 32 # maximum number of electrodes on the resistivity meter
+ injection_duration = 0.5 # Current injection duration in second
+ nbr_meas= 1 # Number of times the quadripole sequence is repeated
+ sequence_delay= 30 # Delay in seconds between 2 sequences
+ stack= 1 # repetition of the current injection for each quadripole
+
+The measurement parameters can be adjusted in lines 2 to 7 of the ohmpi_param.json file.
+
+complete list of componements
+==========================================================
+
+
diff --git a/sphinx/source/page0.rst b/sphinx/source/page0.rst
index 3ef0bb177790babd1d5d9f2d54f0252b513fef9e..7dbbea4ef493009ae39140c0fa5d6e7e6e0cc0a0 100644
--- a/sphinx/source/page0.rst
+++ b/sphinx/source/page0.rst
@@ -1,6 +1,7 @@
-************
+***************
Premiere page
-*************
+***************
+
**OhmPi project**
*************************
@@ -34,6 +35,11 @@ Update : 21 août 2020.
Status of document: In progress.
+**Citing OhmPi**
+=========================
+*Rémi Clement, Yannick Fargier, Vivien Dubois, Julien Gance, Emile Gros, et al.. OhmPi: An open*
+*source data logger for dedicated applications of electrical resistivity imaging at the small and laboratory*
+*scale. HardwareX, Elsevier, 2020, 8, 24 p. ff10.1016/j.ohx.2020.e00122ff.*
**Introduction to OhmPi**
=========================
diff --git a/sphinx/source/page1.rst b/sphinx/source/page1.rst
index 3e2dceafe1c9731ce8c72778e52a39a6e85fe305..cd30402485874bf5cea7c3272c12b6e271e09b7d 100644
--- a/sphinx/source/page1.rst
+++ b/sphinx/source/page1.rst
@@ -29,7 +29,7 @@ Technical data
|Power consumption of CPU and |18.5 |W |
|control system | | |
+-------------------------------+--------------------+-----------+
-|Voltage injection |12 |V |
+|Voltage injection |9 |V |
+-------------------------------+--------------------+-----------+
|Battery |12 |V |
+-------------------------------+--------------------+-----------+
@@ -303,7 +303,7 @@ place a fuse holder with a 1.5-A fuse for safety purposes.
.. figure:: measurement_board.jpg
:width: 800px
:align: center
- :height: 400px
+ :height: 500px
:alt: alternate text
:figclass: align-center
@@ -341,13 +341,35 @@ they remain in the normally closed position. This set-up offers a simple and rob
:figclass: align-center
Wiring of the 4-channel relay module board for current injection management
+
+The next step consists of featuring the 4-channel relay module used for current injection and its assembly. The wiring
+between the relays must be carried out in strict accordance with Fig. 10. This card must then be connected to the Raspberry
+Pi and the measurement card. On the Raspberry Pi, it is necessary to connect inputs In1 and In2 to the same GPIO. For this
+purpose, it is necessary to solder together the two pins on the 4-channel relay shield module and connect them to the Raspberry Pi GPIO-7 (Fig. 10). The same must be performed for inputs In3 and In4 with GPIO-8. Connect the GND and 5Vdc pins of
+the relay card’s 4 channels respectively to the GND pin and 5Vcc of the Raspberry Pi. Now connect relays 1, 2, 3 and 4, as
+shown in the diagram, using 1-mm2 cables (red and black in Fig. 10). Lastly, connect the inputs of relay 1 and 2 respectively
+to terminals B and A of the measurement board.
+
+.. figure:: installation_current_board.jpg
+ :width: 800px
+ :align: center
+ :height: 700px
+ :alt: alternate text
+ :figclass: align-center
+ Current injection board installation with Raspberry Pi
+
+
+Congratulations, you have build a 4 electrodes resistivity-meter.
+
Frist four electrodes resistivity mesurement
============================================
-Under construction describe the way vlide the first part of the instruction.
+Under construction !
+
+Describe the way to valide the first part of the instruction.
Electrical resistivity measurement on test circuit
@@ -368,7 +390,7 @@ To prepare the multiplexer, the channels of the two relay boards must be connect
.. figure:: multiplexer_implementation.jpg
:width: 800px
:align: center
- :height: 400px
+ :height: 500px
:alt: alternate text
:figclass: align-center
@@ -486,17 +508,13 @@ The measurement parameters can be adjusted in lines 27 to 30 of the ohmpi.py cod
Complete list of components
*******************************
+.. warning::
+ The list to evolve a little after the publication of the article, it is necessary to refer to this list
-.. list-table::
- :widths: 20 80 80
+
+.. csv-table:: Table Title
+ :file: C:\Users\remi.clement\Documents\28_ohmpi_all_git\sphinx\source\list.csv
+ :widths: 30, 70, 70, 70, 70,70
:header-rows: 1
- * - Shapes
- - Description
- - Description
- * - Square
- - Four sides of equal length, 90 degree angles
- - Description
- * - Rectangle
- - Four sides, 90 degree angles
- - Description
\ No newline at end of file
+