diff --git a/Ohmpi.py b/Ohmpi.py
index 5febe34fcdf4a792941e5dd4d5967f945aae6fc8..b8efb7bb0c0ad63d0da8c54755d68c116121b524 100644
--- a/Ohmpi.py
+++ b/Ohmpi.py
@@ -33,6 +33,8 @@ print(current_time.strftime("%Y-%m-%d %H:%M:%S"))
Hardware parameters
"""
R_shunt = 0.2# reference resistance value in ohm
+Imax=4800/50/2
+print(colored('The maximum current cannot be higher than 48 mA', 'red'))
coef_p2 = 2.50# slope for current conversion for ADS.P2, measurement in V/V
coef_p3 = 2.50 # slope for current conversion for ADS.P3, measurement in V/V
offset_p2= 0
diff --git a/Ohmpi_4elec.py b/Ohmpi_4elec.py
index 3919b2ceb684f3968430aa5ea90ec07f3c156500..691fa5dcf4e3601d4966c81fb4ed1fea44b629eb 100644
--- a/Ohmpi_4elec.py
+++ b/Ohmpi_4elec.py
@@ -33,6 +33,8 @@ print(current_time.strftime("%Y-%m-%d %H:%M:%S"))
hardware parameters
"""
R_shunt = 2# reference resistance value in ohm
+Imax=4800/50/2
+print(colored('The maximum current cannot be higher than 48 mA', 'red'))
coef_p2 = 2.50# slope for current conversion for ADS.P2, measurement in V/V
coef_p3 = 2.50 # slope for current conversion for ADS.P3, measurement in V/V
offset_p2= 0
diff --git a/public/Ohmpi_V2_00/V2_00_step_02.html b/public/Ohmpi_V2_00/V2_00_step_02.html
index 3b2db4300821cb523f44bb2408fbb3fa1756e399..b60e1f9b7a49131e682ba9d25eb691abc54074c4 100644
--- a/public/Ohmpi_V2_00/V2_00_step_02.html
+++ b/public/Ohmpi_V2_00/V2_00_step_02.html
@@ -325,7 +325,7 @@ We have developed a complete “plug and play†measurement board. To measure e
two ADS1115 were used,one for the voltage measurement one for the current measurement, as proposed by Florsch [7]. The ADS1115
is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. The advantage of ADS1115 is that the
input signal value could lie between - to + 6.114 V. For the current measurement we have directly integrated the INA282 component,
-which allows to realize precise current measurement around a shunt resistor. The assembly steps are described in the following steps:</p>
+which allows to realize precise current measurement around a shunt resistor. The assembly are described in the following steps:</p>
<table class="docutils align-center">
<colgroup>
<col style="width: 12%" />
@@ -483,6 +483,10 @@ electrodes A and B</p></td>
</tr>
</tbody>
</table>
+<div class="admonition warning">
+<p class="admonition-title">Warning</p>
+<p>In this version, We used a shunt resistor of 2 ohms, which limits the current measurement to 48 mA. If the current is higher than this value, you just have to decrease the value of the shunt resistor.Change the shunt value in the code.</p>
+</div>
<table class="docutils align-center">
<colgroup>
<col style="width: 13%" />
@@ -904,7 +908,8 @@ on the screen.</p></td>
</td>
</tr>
<tr class="row-even"><td><p>Install the red cables on the +12V terminal and black cable
-on the ground terminal.</p></td>
+on the ground terminal. Connect to two different 12V
+batteries</p></td>
</tr>
</tbody>
</table>
@@ -947,7 +952,7 @@ on the ground terminal.</p></td>
</td>
</tr>
<tr class="row-even"><td><p>Run Ohmpi_4elec.py, if everything works you should
-get the following result</p></td>
+get the following result (220 ohm)</p></td>
</tr>
</tbody>
</table>
diff --git a/public/Ohmpi_V2_00/V2_00_step_03.html b/public/Ohmpi_V2_00/V2_00_step_03.html
index 55294eecec2c06101ef5a9ff2775d347795e79ef..de9ead380fe010cc8bed7040bf331ffd27ec807d 100644
--- a/public/Ohmpi_V2_00/V2_00_step_03.html
+++ b/public/Ohmpi_V2_00/V2_00_step_03.html
@@ -39,7 +39,7 @@
<li class="toctree-l1"><a class="reference internal" href="../Ohmpi.html">OhmPi project</a></li>
<li class="toctree-l1"><a class="reference internal" href="../V1_01.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
<li class="toctree-l1"><a class="reference internal" href="../V1_02.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1 current"><a class="reference internal" href="../V2_00.html">OhmPi V 2.xx (64 or 128 electrodes)</a><ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="../V2_00.html">OhmPi V 2.xx (64 or 128 electrodes and 12V)</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../V2_00.html#the-philosophy-of-ohmpi">The philosophy of Ohmpi</a></li>
<li class="toctree-l2"><a class="reference internal" href="../V2_00.html#technical-data">Technical data</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="../V2_00.html#ohmpi-2-step-by-step">Ohmpi 2 step by step</a><ul class="current">
@@ -69,7 +69,7 @@
<div role="navigation" aria-label="Page navigation">
<ul class="wy-breadcrumbs">
<li><a href="../index.html" class="icon icon-home"></a> »</li>
- <li><a href="../V2_00.html">OhmPi V 2.xx (64 or 128 electrodes)</a> »</li>
+ <li><a href="../V2_00.html">OhmPi V 2.xx (64 or 128 electrodes and 12V)</a> »</li>
<li><strong>STEP n°3</strong>: MUX board</li>
<li class="wy-breadcrumbs-aside">
<a href="../_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt" rel="nofollow"> View page source</a>
@@ -87,7 +87,7 @@
<div class="section" id="required-components">
<h3>Required components<a class="headerlink" href="#required-components" title="Permalink to this headline">¶</a></h3>
<div class="align-center figure">
-<a class="reference internal image-reference" href="../_images/00_mes_board_components1.jpg"><img alt="alternate text" src="../_images/00_mes_board_components1.jpg" style="width: 600px; height: 450px;" /></a>
+<a class="reference internal image-reference" href="../_images/MUX_board_componement.jpg"><img alt="alternate text" src="../_images/MUX_board_componement.jpg" style="width: 600px; height: 450px;" /></a>
</div>
<table class="colwidths-given docutils align-default" id="id1">
<caption><span class="caption-text">List of components</span><a class="headerlink" href="#id1" title="Permalink to this table">¶</a></caption>
@@ -255,6 +255,152 @@
</tr>
</tbody>
</table>
+<p>The multiplexing of the channels is a mechanical multiplexing based on OMRON’s manufacturing relays (G5LE-1-VD 12 VDC). Each relay is combined with
+a ZVN4206A power MOFSET. The raspberry has only 30 GPIOs, which is not enough to activate all the 64 electrodes, which represent 512 GPIOs.
+We used gpio expender I2C (MCP23017). We have associated these components with an I2C muliplexer of type type TCA9548A from adafruit.
+This combination allows to go up to 512 GPIOs and up to 128 electrodes. Each card has its own digital address between 0X70 and 0X77.
+In the following presentation for an Ohmpi 64 electrodes, we will use the addresses 0X70 for channel A, 0X71 for channel B, 0X72 for channel M and 0X73 for channel N.
+0X73 for the N channel. 4 MUX board will be needed to multiplex an Ohmpi 64 electrodes.</p>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>1</p></td>
+<td><img alt="../_images/MUX_00.jpg" src="../_images/MUX_00.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>2</p></td>
+<td><img alt="../_images/MUX_01.jpg" src="../_images/MUX_01.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>3</p></td>
+<td><img alt="../_images/MUX_02.jpg" src="../_images/MUX_02.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>4</p></td>
+<td><img alt="../_images/MUX_03.jpg" src="../_images/MUX_03.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>5</p></td>
+<td><img alt="../_images/MUX_04.jpg" src="../_images/MUX_04.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>6</p></td>
+<td><img alt="../_images/MUX_05.jpg" src="../_images/MUX_05.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>7</p></td>
+<td><img alt="../_images/MUX_06.jpg" src="../_images/MUX_06.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>8</p></td>
+<td><img alt="../_images/MUX_07.jpg" src="../_images/MUX_07.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>9</p></td>
+<td><img alt="../_images/MUX_08.jpg" src="../_images/MUX_08.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
+<table class="docutils align-center">
+<colgroup>
+<col style="width: 12%" />
+<col style="width: 88%" />
+</colgroup>
+<tbody>
+<tr class="row-odd"><td rowspan="2"><p>10</p></td>
+<td><img alt="../_images/MUX_09.jpg" src="../_images/MUX_09.jpg" />
+</td>
+</tr>
+<tr class="row-even"><td></td>
+</tr>
+</tbody>
+</table>
</div>
</div>
</div>
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/00_mes_board_components.jpg b/public/_images/00_mes_board_components1.jpg
similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/00_mes_board_components.jpg
rename to public/_images/00_mes_board_components1.jpg
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_123517.jpg b/public/_images/MUX_00.jpg
similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_123517.jpg
rename to public/_images/MUX_00.jpg
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_131345.jpg b/public/_images/MUX_01.jpg
similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_131345.jpg
rename to public/_images/MUX_01.jpg
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_135840.jpg b/public/_images/MUX_02.jpg
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rename to public/_images/MUX_02.jpg
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similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_145705.jpg
rename to public/_images/MUX_03.jpg
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similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_152448.jpg
rename to public/_images/MUX_04.jpg
diff --git a/public/_images/MUX_05.jpg b/public/_images/MUX_05.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..aa6d46a10980852997d917165b79c34e6dc54812
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similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_153141.jpg
rename to public/_images/MUX_06.jpg
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_154015.jpg b/public/_images/MUX_07.jpg
similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_154015.jpg
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similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_154700.jpg
rename to public/_images/MUX_08.jpg
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similarity index 100%
rename from sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211102_145223.jpg
rename to public/_images/MUX_09.jpg
diff --git a/public/_images/MUX_board_componement.jpg b/public/_images/MUX_board_componement.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..6fdad018330cc86c50b18552261d58359c79bc9c
Binary files /dev/null and b/public/_images/MUX_board_componement.jpg differ
diff --git a/public/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt b/public/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
index 63caad89aa3c0842f9f7846f3f92878576f08345..441a23422d0d8703be0f4fddde5f996150e50d00 100644
--- a/public/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
+++ b/public/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
@@ -40,7 +40,7 @@ We have developed a complete "plug and play" measurement board. To measure elect
two ADS1115 were used,one for the voltage measurement one for the current measurement, as proposed by Florsch [7]. The ADS1115
is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. The advantage of ADS1115 is that the
input signal value could lie between - to + 6.114 V. For the current measurement we have directly integrated the INA282 component,
-which allows to realize precise current measurement around a shunt resistor. The assembly steps are described in the following steps:
+which allows to realize precise current measurement around a shunt resistor. The assembly are described in the following steps:
@@ -152,6 +152,12 @@ which allows to realize precise current measurement around a shunt resistor. The
| | Soldering three capacitors (100nF) |
| | |
+---------+------------------------------------------------------------+
+
+.. warning::
+
+ In this version, We used a shunt resistor of 2 ohms, which limits the current measurement to 48 mA. If the current is higher than this value, you just have to decrease the value of the shunt resistor.Change the shunt value in the code.
+
+
.. table::
:align: center
@@ -429,7 +435,8 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/Inked20211206_150522_LI.jpg |
|6 +------------------------------------------------------------+
| |Install the red cables on the +12V terminal and black cable |
- | |on the ground terminal. |
+ | |on the ground terminal. Connect to two different 12V |
+ | |batteries |
+--------+------------------------------------------------------------+
.. table::
@@ -461,5 +468,5 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/20211206_144334.jpg |
|7 +------------------------------------------------------------+
| | Run Ohmpi_4elec.py, if everything works you should |
- | | get the following result |
+ | | get the following result (220 ohm) |
+--------+------------------------------------------------------------+
diff --git a/public/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt b/public/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8dc79f557f5f2ec63d3f33577490371ab7733d27
--- /dev/null
+++ b/public/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt
@@ -0,0 +1,132 @@
+
+**STEP n°3**: MUX board
+****************************************************
+
+
+**PART A** Assembly of MUX board
+======================================================
+
+
+Required components
+----------------------------------------------------
+
+.. figure:: step_n_3/a/MUX_board_componement.jpg
+ :width: 600px
+ :align: center
+ :height: 450px
+ :alt: alternate text
+ :figclass: align-center
+
+
+.. csv-table:: List of components
+ :file: step_n_3/a/MUX_board_list_2_xx.csv
+ :widths: 30, 70, 70, 70, 70, 35, 35
+ :header-rows: 1
+
+The multiplexing of the channels is a mechanical multiplexing based on OMRON's manufacturing relays (G5LE-1-VD 12 VDC). Each relay is combined with
+a ZVN4206A power MOFSET. The raspberry has only 30 GPIOs, which is not enough to activate all the 64 electrodes, which represent 512 GPIOs.
+We used gpio expender I2C (MCP23017). We have associated these components with an I2C muliplexer of type type TCA9548A from adafruit.
+This combination allows to go up to 512 GPIOs and up to 128 electrodes. Each card has its own digital address between 0X70 and 0X77.
+In the following presentation for an Ohmpi 64 electrodes, we will use the addresses 0X70 for channel A, 0X71 for channel B, 0X72 for channel M and 0X73 for channel N.
+0X73 for the N channel. 4 MUX board will be needed to multiplex an Ohmpi 64 electrodes.
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_00.jpg |
+ | 1 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_01.jpg |
+ | 2 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_02.jpg |
+ | 3 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_03.jpg |
+ | 4 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_04.jpg |
+ | 5 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_05.jpg |
+ | 6 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_06.jpg |
+ | 7 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_07.jpg |
+ | 8 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_08.jpg |
+ | 9 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_09.jpg |
+ | 10 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
\ No newline at end of file
diff --git a/public/searchindex.js b/public/searchindex.js
index 57c3b7441e3f5e281c71ee4be8dde6276e594d37..b76f2db21e0b8c5eecb00add3992223039fde32a 100644
--- a/public/searchindex.js
+++ b/public/searchindex.js
@@ -1 +1 @@
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diff --git a/sphinx/build/doctrees/test.doctree b/sphinx/build/doctrees/test.doctree
deleted file mode 100644
index 0eceec5892c84057ab2e267e6921fa19920bc267..0000000000000000000000000000000000000000
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diff --git a/sphinx/build/html/Ohmpi_V2_00/V2_00_step_02.html b/sphinx/build/html/Ohmpi_V2_00/V2_00_step_02.html
index beebf4e9157e93aeee5f484cf7180d920c5cdafe..4b89e1ca047bb7a2910c0c6db2e5be05bbfeb7df 100644
--- a/sphinx/build/html/Ohmpi_V2_00/V2_00_step_02.html
+++ b/sphinx/build/html/Ohmpi_V2_00/V2_00_step_02.html
@@ -321,7 +321,7 @@ We have developed a complete “plug and play†measurement board. To measure e
two ADS1115 were used,one for the voltage measurement one for the current measurement, as proposed by Florsch [7]. The ADS1115
is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. The advantage of ADS1115 is that the
input signal value could lie between - to + 6.114 V. For the current measurement we have directly integrated the INA282 component,
-which allows to realize precise current measurement around a shunt resistor. The assembly steps are described in the following steps:</p>
+which allows to realize precise current measurement around a shunt resistor. The assembly are described in the following steps:</p>
<table class="docutils align-center">
<colgroup>
<col style="width: 12%" />
@@ -479,6 +479,10 @@ electrodes A and B</p></td>
</tr>
</tbody>
</table>
+<div class="admonition warning">
+<p class="admonition-title">Warning</p>
+<p>In this version, We used a shunt resistor of 2 ohms, which limits the current measurement to 48 mA. If the current is higher than this value, you just have to decrease the value of the shunt resistor.Change the shunt value in the code.</p>
+</div>
<table class="docutils align-center">
<colgroup>
<col style="width: 13%" />
@@ -901,7 +905,8 @@ on the screen.</p></td>
</td>
</tr>
<tr class="row-even"><td><p>Install the red cables on the +12V terminal and black cable
-on the ground terminal.</p></td>
+on the ground terminal. Connect to two different 12V
+batteries</p></td>
</tr>
</tbody>
</table>
@@ -944,7 +949,7 @@ on the ground terminal.</p></td>
</td>
</tr>
<tr class="row-even"><td><p>Run Ohmpi_4elec.py, if everything works you should
-get the following result</p></td>
+get the following result (220 ohm)</p></td>
</tr>
</tbody>
</table>
diff --git a/sphinx/build/html/Ohmpi_V2_00/V2_00_step_03.html b/sphinx/build/html/Ohmpi_V2_00/V2_00_step_03.html
deleted file mode 100644
index 18f4d6e031384ec12715d2554648a6db64722522..0000000000000000000000000000000000000000
--- a/sphinx/build/html/Ohmpi_V2_00/V2_00_step_03.html
+++ /dev/null
@@ -1,293 +0,0 @@
-<!DOCTYPE html>
-<html class="writer-html5" lang="en" >
-<head>
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- <title>STEP n°3: MUX board — Ohmpi: open hardware resistivity-meter documentation</title>
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- <link rel="search" title="Search" href="../search.html" />
- <link rel="prev" title="STEP n°2: Measurement board" href="V2_00_step_02.html" />
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-<li class="toctree-l1"><a class="reference internal" href="../V1_01.html">OhmPi V 1.01 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1"><a class="reference internal" href="../V1_02.html">OhmPi V 1.02 (limited to 32 electrodes)</a></li>
-<li class="toctree-l1 current"><a class="reference internal" href="../V2_00.html">OhmPi V 2.xx (64 or 128 electrodes and 12V)</a><ul class="current">
-<li class="toctree-l2"><a class="reference internal" href="../V2_00.html#the-philosophy-of-ohmpi">The philosophy of Ohmpi</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../V2_00.html#technical-data">Technical data</a></li>
-<li class="toctree-l2 current"><a class="reference internal" href="../V2_00.html#ohmpi-2-step-by-step">Ohmpi 2 step by step</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="V2_00_step_01.html"><strong>STEP n°1</strong> : Raspberry Pi configuration</a></li>
-<li class="toctree-l3"><a class="reference internal" href="V2_00_step_02.html"><strong>STEP n°2</strong>: Measurement board</a></li>
-<li class="toctree-l3 current"><a class="current reference internal" href="#"><strong>STEP n°3</strong>: MUX board</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="#part-a-assembly-of-mux-board"><strong>PART A</strong> Assembly of MUX board</a></li>
-</ul>
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-
- <section id="step-n3-mux-board">
-<h1><strong>STEP n°3</strong>: MUX board<a class="headerlink" href="#step-n3-mux-board" title="Permalink to this headline">ïƒ</a></h1>
-<section id="part-a-assembly-of-mux-board">
-<h2><strong>PART A</strong> Assembly of MUX board<a class="headerlink" href="#part-a-assembly-of-mux-board" title="Permalink to this headline">ïƒ</a></h2>
-<section id="required-components">
-<h3>Required components<a class="headerlink" href="#required-components" title="Permalink to this headline">ïƒ</a></h3>
-<figure class="align-center">
-<a class="reference internal image-reference" href="../_images/00_mes_board_components1.jpg"><img alt="alternate text" src="../_images/00_mes_board_components1.jpg" style="width: 600px; height: 450px;" /></a>
-</figure>
-<table class="colwidths-given docutils align-default" id="id1">
-<caption><span class="caption-text">List of components</span><a class="headerlink" href="#id1" title="Permalink to this table">ïƒ</a></caption>
-<colgroup>
-<col style="width: 8%" />
-<col style="width: 18%" />
-<col style="width: 18%" />
-<col style="width: 18%" />
-<col style="width: 18%" />
-<col style="width: 9%" />
-<col style="width: 9%" />
-</colgroup>
-<thead>
-<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>
-<th class="head"><p>Web reference</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p>Printed circuit board</p></td>
-<td><p>4</p></td>
-<td><p>140</p></td>
-<td><p>560</p></td>
-<td><p>Asler</p></td>
-<td><ul class="simple">
-<li></li>
-</ul>
-</td>
-<td><ul class="simple">
-<li></li>
-</ul>
-</td>
-</tr>
-<tr class="row-odd"><td><p>Pin strip no ejector 16 pins</p></td>
-<td><p>16</p></td>
-<td><p>0.62</p></td>
-<td><p>9.92</p></td>
-<td><p>BLK electronic</p></td>
-<td><p>10120550</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/tru-components-1580994-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-1580994">https://www.conrad.com/p/tru-components-1580994-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-1580994</a></p></td>
-</tr>
-<tr class="row-even"><td><p>diode-1n4007</p></td>
-<td><p>256</p></td>
-<td><p>0.091</p></td>
-<td><p>23.296</p></td>
-<td><p>Diodes Incorporated</p></td>
-<td><p>1N4007-T</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Diodes-Incorporated/1N4007-T?qs=sGAEpiMZZMueQxo7L%2FBPyAkbORUUMREn">https://www.mouser.fr/ProductDetail/Diodes-Incorporated/1N4007-T?qs=sGAEpiMZZMueQxo7L%2FBPyAkbORUUMREn</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>Pin strip no ejector 6 pins</p></td>
-<td><p>4</p></td>
-<td><p>0.39</p></td>
-<td><p>1.56</p></td>
-<td><p>BLK electronic</p></td>
-<td><p>10120550</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/tru-components-1580994-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-1580994">https://www.conrad.com/p/tru-components-1580994-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-1580994</a></p></td>
-</tr>
-<tr class="row-even"><td><p>Dual screw terminal (5.08-mm pitch)</p></td>
-<td><p>12</p></td>
-<td><p>0.648</p></td>
-<td><p>7.776</p></td>
-<td><p>CUI Devices</p></td>
-<td><p>TB009-508-02BE</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/CUI-Devices/TB009-508-02BE?qs=vLWxofP3U2wCFk5uCkWTkA%3D%3D">https://www.mouser.fr/ProductDetail/CUI-Devices/TB009-508-02BE?qs=vLWxofP3U2wCFk5uCkWTkA%3D%3D</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>Generic male header - 3 pins</p></td>
-<td><p>12</p></td>
-<td><p>0.205</p></td>
-<td><p>2.46</p></td>
-<td><p>TE Connectivity</p></td>
-<td><p>4-103321-5</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/TE-Connectivity/4-103321-5?qs=5TwgZeq9E7HSYLqaljJYrw%3D%3D">https://www.mouser.fr/ProductDetail/TE-Connectivity/4-103321-5?qs=5TwgZeq9E7HSYLqaljJYrw%3D%3D</a></p></td>
-</tr>
-<tr class="row-even"><td><p>MCP23017 I2C I/O Expander</p></td>
-<td><p>16</p></td>
-<td><p>2.5</p></td>
-<td><p>40</p></td>
-<td><p>Adafruit</p></td>
-<td><p>732</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Adafruit/732?qs=sGAEpiMZZMsKEdP9slC0Yfx16nYdMpXJueeOGoLBlDI%3D">https://www.mouser.fr/ProductDetail/Adafruit/732?qs=sGAEpiMZZMsKEdP9slC0Yfx16nYdMpXJueeOGoLBlDI%3D</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>Omron G5LE-1-VD 12 VDC PCB relay 12 V DC 8 A 1</p></td>
-<td><p>256</p></td>
-<td><p>1.27</p></td>
-<td><p>325.12</p></td>
-<td><p>Omron</p></td>
-<td><p>G5LE-1-VD 12 VDC</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/omron-g5le-1-vd-12-vdc-pcb-relay-12-v-dc-8-a-1-change-over-1-pcs-503811">https://www.conrad.com/p/omron-g5le-1-vd-12-vdc-pcb-relay-12-v-dc-8-a-1-change-over-1-pcs-503811</a></p></td>
-</tr>
-<tr class="row-even"><td><p>ZVN4206A MOSFET-NCHANNEL</p></td>
-<td><p>256</p></td>
-<td><p>0.471</p></td>
-<td><p>120.576</p></td>
-<td><p>Diodes Incorporated</p></td>
-<td><p>ZVN4206A</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Diodes-Incorporated/ZVN4206A?qs=vHuUswq2%252Bsz9b%2Ff6fcXt7g%3D%3D">https://www.mouser.fr/ProductDetail/Diodes-Incorporated/ZVN4206A?qs=vHuUswq2%252Bsz9b%2Ff6fcXt7g%3D%3D</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>100k? Resistor</p></td>
-<td><p>256</p></td>
-<td><p>0.061</p></td>
-<td><p>15.616</p></td>
-<td><p>Vishay / Beyschlag</p></td>
-<td><p>MBA02040C1003FRP00</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Vishay-Beyschlag/MBA02040C1003FRP00?qs=mzRxyRlhVdt9crF7Zyf%2F5Q%3D%3D">https://www.mouser.fr/ProductDetail/Vishay-Beyschlag/MBA02040C1003FRP00?qs=mzRxyRlhVdt9crF7Zyf%2F5Q%3D%3D</a></p></td>
-</tr>
-<tr class="row-even"><td><p>Adafruit TCA9548A</p></td>
-<td><p>4</p></td>
-<td><p>5.89</p></td>
-<td><p>23.56</p></td>
-<td><p>Adafruit</p></td>
-<td><p>2717</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Adafruit/2717?qs=sGAEpiMZZMsyYdr3R27aV4EQf73yOH%252Baqg%252BZ3hVktao%3D">https://www.mouser.fr/ProductDetail/Adafruit/2717?qs=sGAEpiMZZMsyYdr3R27aV4EQf73yOH%252Baqg%252BZ3hVktao%3D</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>BKL Electronic 10120558 Pin strip no ejector Contact spacing: 2.54 mm Total number of pins: 16 No. of rows: 2 1 pc(s)</p></td>
-<td><p>16</p></td>
-<td><p>0.51</p></td>
-<td><p>8.16</p></td>
-<td><p>BLK electronic</p></td>
-<td><p>10120558</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/bkl-electronic-10120558-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-741727?searchTerm=741727&searchType=suggest&searchSuggest=product">https://www.conrad.com/p/bkl-electronic-10120558-pin-strip-no-ejector-contact-spacing-254-mm-total-number-of-pins-16-no-of-rows-2-1-pcs-741727?searchTerm=741727&searchType=suggest&searchSuggest=product</a></p></td>
-</tr>
-<tr class="row-even"><td><p>BKL Electronic 10120862 Pin connector + strain relief Contact spacing: 2.54 mm Total number of pins: 6 No. of rows: 2 1</p></td>
-<td><p>16</p></td>
-<td><p>0.84</p></td>
-<td><p>13.44</p></td>
-<td><p>BLK electronic</p></td>
-<td><p>10120862</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/bkl-electronic-10120862-pin-connector-strain-relief-contact-spacing-254-mm-total-number-of-pins-6-no-of-rows-2-1-742063">https://www.conrad.com/p/bkl-electronic-10120862-pin-connector-strain-relief-contact-spacing-254-mm-total-number-of-pins-6-no-of-rows-2-1-742063</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>BKL Electronic 10120158/10 Ribbon cable Contact spacing: 1.27 mm 16 x 0.08 mm Multi-coloured 10 m</p></td>
-<td><p>1</p></td>
-<td><p>27</p></td>
-<td><p>27</p></td>
-<td><p>BLK electronic</p></td>
-<td><p>10120158/10</p></td>
-<td><p><a class="reference external" href="https://www.conrad.com/p/bkl-electronic-1012015810-ribbon-cable-contact-spacing-127-mm-16-x-008-mm-multi-coloured-10-m-1548658?searchTerm=1548658&searchType=suggest&searchSuggest=product">https://www.conrad.com/p/bkl-electronic-1012015810-ribbon-cable-contact-spacing-127-mm-16-x-008-mm-multi-coloured-10-m-1548658?searchTerm=1548658&searchType=suggest&searchSuggest=product</a></p></td>
-</tr>
-<tr class="row-even"><td><p>spacer 5.5 HEX 25 mm M3 male/female</p></td>
-<td><p>31</p></td>
-<td><p>2.79</p></td>
-<td><p>86.49</p></td>
-<td><p>Keystone Electronics</p></td>
-<td><p>24300</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Keystone-Electronics/24300?qs=UWqYQ%2F2cZWu0ejpOzmZC2A%3D%3D">https://www.mouser.fr/ProductDetail/Keystone-Electronics/24300?qs=UWqYQ%2F2cZWu0ejpOzmZC2A%3D%3D</a></p></td>
-</tr>
-<tr class="row-odd"><td><p>Screw</p></td>
-<td><p>9</p></td>
-<td><p>0.305</p></td>
-<td><p>2.745</p></td>
-<td><p>APM HEXSEAL</p></td>
-<td><p>RM3X8MM-2701</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/APM-HEXSEAL/RM3X8MM-2701?qs=JJSE%2F12mKnS3VxSDrYXUHw%3D%3D">https://www.mouser.fr/ProductDetail/APM-HEXSEAL/RM3X8MM-2701?qs=JJSE%2F12mKnS3VxSDrYXUHw%3D%3D</a></p></td>
-</tr>
-<tr class="row-even"><td><p>spacer 5.5 HEX 25 mm M3 female/female</p></td>
-<td><p>9</p></td>
-<td><p>0.846</p></td>
-<td><p>7.614</p></td>
-<td><p>Keystone Electronics</p></td>
-<td><p>25515</p></td>
-<td><p><a class="reference external" href="https://www.mouser.fr/ProductDetail/Keystone-Electronics/25515?qs=UWqYQ%2F2cZWuxuhUmfr%252BZuQ%3D%3D">https://www.mouser.fr/ProductDetail/Keystone-Electronics/25515?qs=UWqYQ%2F2cZWuxuhUmfr%252BZuQ%3D%3D</a></p></td>
-</tr>
-</tbody>
-</table>
-</section>
-</section>
-</section>
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diff --git a/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt b/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
index 0f33174bce9a1577fa8fccbf537129c6547049d8..243ddd8ee3ec11314e9009e55c0dd1a971a379a1 100644
--- a/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
+++ b/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_02.rst.txt
@@ -40,7 +40,7 @@ We have developed a complete "plug and play" measurement board. To measure elect
two ADS1115 were used,one for the voltage measurement one for the current measurement, as proposed by Florsch [7]. The ADS1115
is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. The advantage of ADS1115 is that the
input signal value could lie between - to + 6.114 V. For the current measurement we have directly integrated the INA282 component,
-which allows to realize precise current measurement around a shunt resistor. The assembly steps are described in the following steps:
+which allows to realize precise current measurement around a shunt resistor. The assembly are described in the following steps:
@@ -152,6 +152,12 @@ which allows to realize precise current measurement around a shunt resistor. The
| | Soldering three capacitors (100nF) |
| | |
+---------+------------------------------------------------------------+
+
+.. warning::
+
+ In this version, We used a shunt resistor of 2 ohms, which limits the current measurement to 48 mA. If the current is higher than this value, you just have to decrease the value of the shunt resistor.Change the shunt value in the code.
+
+
.. table::
:align: center
@@ -429,7 +435,8 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/Inked20211206_150522_LI.jpg |
|6 +------------------------------------------------------------+
| |Install the red cables on the +12V terminal and black cable |
- | |on the ground terminal. |
+ | |on the ground terminal. Connect to two different 12V |
+ | |batteries |
+--------+------------------------------------------------------------+
.. table::
@@ -461,5 +468,5 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/20211206_144334.jpg |
|7 +------------------------------------------------------------+
| | Run Ohmpi_4elec.py, if everything works you should |
- | | get the following result |
+ | | get the following result (220 ohm) |
+--------+------------------------------------------------------------+
diff --git a/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt b/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt
deleted file mode 100644
index 4684d5a143c3a16e2c534a45eb33b8f40da80fd3..0000000000000000000000000000000000000000
--- a/sphinx/build/html/_sources/Ohmpi_V2_00/V2_00_step_03.rst.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-
-**STEP n°3**: MUX board
-****************************************************
-
-
-**PART A** Assembly of MUX board
-======================================================
-
-
-Required components
-----------------------------------------------------
-
-.. figure:: step_n_3/a/00_mes_board_components.jpg
- :width: 600px
- :align: center
- :height: 450px
- :alt: alternate text
- :figclass: align-center
-
-
-.. csv-table:: List of components
- :file: step_n_3/a/MUX_board_list_2_xx.csv
- :widths: 30, 70, 70, 70, 70, 35, 35
- :header-rows: 1
\ No newline at end of file
diff --git a/sphinx/build/html/searchindex.js b/sphinx/build/html/searchindex.js
deleted file mode 100644
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project","<strong>STEP n\u00b01</strong> : Raspberry Pi configuration","<strong>STEP n\u00b02</strong>: Measurement board","<strong>STEP n\u00b03</strong>: MUX board","OhmPi V 1.01 (limited to 32 electrodes)","OhmPi V 1.02 (limited to 32 electrodes)","OhmPi V 2.xx (64 or 128 electrodes and 12V)","OHMPI: Open source and open hardware resitivity-meter"],titleterms:{"01":4,"02":5,"1":[1,4,5],"128":6,"12v":6,"2":[2,6],"3":3,"32":[4,5],"64":6,A:[1,2,3],The:[4,5,6],activ:[1,4,5],assembl:[2,3,4,5],b:[1,2,4,5],board:[2,3,4,5],c:[1,2],card:[4,5],center:7,check:2,cite:0,complet:[4,5],compon:[2,3,4,5],configur:[1,4,5],connect:[4,5],current:[4,5],data:[4,5,6],descript:[2,4,5],document:7,electr:[4,5],electrod:[4,5,6],environn:[1,4,5],four:[4,5],frist:[4,5],hardwar:7,id:[1,4,5],implement:[4,5],implent:[4,5],initi:[4,5],inject:[4,5],instal:[1,4,5],instruct:[4,5],introduct:0,limit:[4,5],list:[2,3,4,5],measur:[2,4,5],mesur:[4,5],meter:7,multiplex:[4,5],mux:3,n:[1,2,3],ohmpi:[0,4,5,6,7],onli:[4,5],open:7,oper:[4,5],os:[1,4,5],packag:[1,4,5],paramet:[4,5],part:[1,2,3],partenair:0,philosophi:[4,5,6],pi:[1,4,5],preliminari:[4,5],procedur:[4,5],project:0,python:[1,4,5],rapberri:[1,4,5],raspberri:[1,4,5],requir:[2,3],resist:[4,5],resit:7,sourc:7,start:2,startup:[4,5],step:[1,2,3,6],summari:7,tabl:4,technic:[4,5,6],thonni:[1,4,5],titl:4,up:2,v:[4,5,6],virtual:[1,4,5],xx:6}})
\ No newline at end of file
diff --git a/sphinx/source/Ohmpi_V2_00/V2_00_step_02.rst b/sphinx/source/Ohmpi_V2_00/V2_00_step_02.rst
index 0f33174bce9a1577fa8fccbf537129c6547049d8..243ddd8ee3ec11314e9009e55c0dd1a971a379a1 100644
--- a/sphinx/source/Ohmpi_V2_00/V2_00_step_02.rst
+++ b/sphinx/source/Ohmpi_V2_00/V2_00_step_02.rst
@@ -40,7 +40,7 @@ We have developed a complete "plug and play" measurement board. To measure elect
two ADS1115 were used,one for the voltage measurement one for the current measurement, as proposed by Florsch [7]. The ADS1115
is a 16-bit ADC (Analog-to-Digital Converter), with an adaptable gain. The advantage of ADS1115 is that the
input signal value could lie between - to + 6.114 V. For the current measurement we have directly integrated the INA282 component,
-which allows to realize precise current measurement around a shunt resistor. The assembly steps are described in the following steps:
+which allows to realize precise current measurement around a shunt resistor. The assembly are described in the following steps:
@@ -152,6 +152,12 @@ which allows to realize precise current measurement around a shunt resistor. The
| | Soldering three capacitors (100nF) |
| | |
+---------+------------------------------------------------------------+
+
+.. warning::
+
+ In this version, We used a shunt resistor of 2 ohms, which limits the current measurement to 48 mA. If the current is higher than this value, you just have to decrease the value of the shunt resistor.Change the shunt value in the code.
+
+
.. table::
:align: center
@@ -429,7 +435,8 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/Inked20211206_150522_LI.jpg |
|6 +------------------------------------------------------------+
| |Install the red cables on the +12V terminal and black cable |
- | |on the ground terminal. |
+ | |on the ground terminal. Connect to two different 12V |
+ | |batteries |
+--------+------------------------------------------------------------+
.. table::
@@ -461,5 +468,5 @@ Setting up an equivalent electronic circuit, for this you will need:
| | .. image:: step_n_2/c/20211206_144334.jpg |
|7 +------------------------------------------------------------+
| | Run Ohmpi_4elec.py, if everything works you should |
- | | get the following result |
+ | | get the following result (220 ohm) |
+--------+------------------------------------------------------------+
diff --git a/sphinx/source/Ohmpi_V2_00/V2_00_step_03.rst b/sphinx/source/Ohmpi_V2_00/V2_00_step_03.rst
index 4684d5a143c3a16e2c534a45eb33b8f40da80fd3..8dc79f557f5f2ec63d3f33577490371ab7733d27 100644
--- a/sphinx/source/Ohmpi_V2_00/V2_00_step_03.rst
+++ b/sphinx/source/Ohmpi_V2_00/V2_00_step_03.rst
@@ -10,7 +10,7 @@
Required components
----------------------------------------------------
-.. figure:: step_n_3/a/00_mes_board_components.jpg
+.. figure:: step_n_3/a/MUX_board_componement.jpg
:width: 600px
:align: center
:height: 450px
@@ -21,4 +21,112 @@ Required components
.. csv-table:: List of components
:file: step_n_3/a/MUX_board_list_2_xx.csv
:widths: 30, 70, 70, 70, 70, 35, 35
- :header-rows: 1
\ No newline at end of file
+ :header-rows: 1
+
+The multiplexing of the channels is a mechanical multiplexing based on OMRON's manufacturing relays (G5LE-1-VD 12 VDC). Each relay is combined with
+a ZVN4206A power MOFSET. The raspberry has only 30 GPIOs, which is not enough to activate all the 64 electrodes, which represent 512 GPIOs.
+We used gpio expender I2C (MCP23017). We have associated these components with an I2C muliplexer of type type TCA9548A from adafruit.
+This combination allows to go up to 512 GPIOs and up to 128 electrodes. Each card has its own digital address between 0X70 and 0X77.
+In the following presentation for an Ohmpi 64 electrodes, we will use the addresses 0X70 for channel A, 0X71 for channel B, 0X72 for channel M and 0X73 for channel N.
+0X73 for the N channel. 4 MUX board will be needed to multiplex an Ohmpi 64 electrodes.
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_00.jpg |
+ | 1 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_01.jpg |
+ | 2 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_02.jpg |
+ | 3 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_03.jpg |
+ | 4 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_04.jpg |
+ | 5 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_05.jpg |
+ | 6 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_06.jpg |
+ | 7 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_07.jpg |
+ | 8 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_08.jpg |
+ | 9 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_3/a/MUX_09.jpg |
+ | 10 +------------------------------------------------------------+
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
\ No newline at end of file
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/00_mes_board_components.jpg.gsr2 b/sphinx/source/Ohmpi_V2_00/step_n_3/a/00_mes_board_components.jpg.gsr2
deleted file mode 100644
index 82debe82cd36ab709ea3bd43b495b47d0530264a..0000000000000000000000000000000000000000
--- a/sphinx/source/Ohmpi_V2_00/step_n_3/a/00_mes_board_components.jpg.gsr2
+++ /dev/null
@@ -1,9 +0,0 @@
-Golden Software Cartographic Reference Information : Version 2.00
-System Type : GCS
-Georef Method : Affine With Coefficients
-Georef Coefficient A : 3.98232497892982
-Georef Coefficient B : 0
-Georef Coefficient C : 0
-Georef Coefficient D : 0
-Georef Coefficient E : 3.98093587521664
-Georef Coefficient F : 0
diff --git a/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_152645.jpg b/sphinx/source/Ohmpi_V2_00/step_n_3/a/IMG_20211026_152645.jpg
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