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<!DOCTYPE html><html class="writer-html5" lang="en" ><head> <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Hardware — OhmPi v2024rc documentation</title> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" /> <!--[if lt IE 9]> <script src="../_static/js/html5shiv.min.js"></script> <![endif]--> <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script> <script src="../_static/jquery.js"></script> <script src="../_static/underscore.js"></script> <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script> <script src="../_static/doctools.js"></script> <script src="../_static/js/theme.js"></script> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="next" title="OhmPi electronic design" href="hardware/hw_info.html" /> <link rel="prev" title="OhmPi project" href="Ohmpi.html" /> </head><body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" > <a href="../index.html" class="icon icon-home"> OhmPi </a><div role="search"> <form id="rtd-search-form" class="wy-form" action="../search.html" method="get"> <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form></div> </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu"> <ul class="current"><li class="toctree-l1"><a class="reference internal" href="Ohmpi.html">OhmPi project</a></li><li class="toctree-l1 current"><a class="current reference internal" href="#">Hardware</a><ul><li class="toctree-l2"><a class="reference internal" href="hardware/hw_info.html">OhmPi electronic design</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/mb.html">Measurement board</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/mux_2023.html">MUX board v2023</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/mux_2024.html">MUX board v2024</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/hw_pwr.html">Power supply</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/hw_rpi.html">Raspberry Pi configuration</a></li><li class="toctree-l2"><a class="reference internal" href="hardware/assembling.html">Assembling the OhmPi</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="software.html">Software and operation</a></li><li class="toctree-l1"><a class="reference internal" href="api.html">API reference</a></li><li class="toctree-l1"><a class="reference internal" href="troubleshooting.html">Troubleshooting</a></li><li class="toctree-l1"><a class="reference internal" href="gallery.html">Examples of applications</a></li><li class="toctree-l1"><a class="reference internal" href="developing_hardware_components.html">Software interface to new hardware components</a></li><li class="toctree-l1"><a class="reference internal" href="archived_version.html">Archived versions</a></li></ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" > <i data-toggle="wy-nav-top" class="fa fa-bars"></i>7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
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<h1>Hardware<a class="headerlink" href="#hardware" title="Permalink to this heading"></a></h1>
<p>This section contains the documentation needed to build an OhmPi.
The OhmPi is composed of different modules:</p>
<ul class="simple">
<li><p>a measurements board (‘mb’): that measures the current and voltage and modulates modulate the injected current</p></li>
<li><p>0, 1, … or n multiplexer boards (‘mux’): that addresse different electrodes</p></li>
<li><p>a power supply (‘pwr’): either a 12V battery or a more advanced power supply where we can control the voltage/current</p></li>
<li><p>a general controller (‘ctrl’): to control the measurements board and power supply (=raspberrypi)</p></li>
</ul>
<p>These module exists in different versions and can be combined using a configuration file.
You can then upgrade your measurment board or power supply for specific applications.</p>
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<li class="toctree-l1"><a class="reference internal" href="hardware/hw_info.html">OhmPi electronic design</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_info.html#measurement-board">Measurement board</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_info.html#multiplexer">Multiplexer</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="hardware/mb.html">Measurement board</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/mb.html#specifications">Specifications</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="hardware/mux_2023.html">MUX board v2023</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2023.html#part-a-assembly-of-mux-board"><strong>PART A</strong> Assembly of MUX board</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2023.html#part-b-mux-board-address"><strong>PART B</strong> MUX board address</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2023.html#part-c-validation-of-mux-board"><strong>PART C</strong> Validation of MUX board</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="hardware/mux_2024.html">MUX board v2024</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2024.html#part-a-assembly-of-mux-board"><strong>PART A</strong> Assembly of MUX board</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2024.html#part-b-mux-board-address"><strong>PART B</strong> MUX board address</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/mux_2024.html#part-c-validation-of-mux-board"><strong>PART C</strong> Validation of MUX board</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="hardware/hw_pwr.html">Power supply</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_pwr.html#v-battery">12V battery</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_pwr.html#regulated-power-supply-dps5005">Regulated power supply (DPS5005)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="hardware/hw_rpi.html">Raspberry Pi configuration</a><ul>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_rpi.html#part-a-os-installation"><strong>PART A:</strong> OS installation</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_rpi.html#part-b-virtual-environment-and-packages"><strong>PART B:</strong> Virtual Environment and packages</a></li>
<li class="toctree-l2"><a class="reference internal" href="hardware/hw_rpi.html#part-c-activate-virtual-environment-on-thonny-python-ide-on-raspberry-pi"><strong>PART C:</strong> Activate virtual environment on Thonny (Python IDE) (on Raspberry Pi)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="hardware/assembling.html">Assembling the OhmPi</a></li>
</ul>
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