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<a href=".." class="icon icon-home"> AI on the Edge Device
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<p class="caption"><span class="caption-text">Advanced</span></p>
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<li class="toctree-l1"><a class="reference internal" href="../Parameters/">Parameters</a>
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<li class="toctree-l1"><a class="reference internal" href="../Integration-Home-Assistant/">Integration into Home Assistant</a>
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<li class="toctree-l1"><a class="reference internal" href="../rolling-installation/">Living on the Edge</a>
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<li class="toctree-l1"><a class="reference internal" href="../Watermeter-specific-analog---digital-transition/">Analog/Digital Transition on Water Meters</a>
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<li class="toctree-l1"><a class="reference internal" href="../collect-new-images/">Collect images to improve the models</a>
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<li class="toctree-l1"><a class="reference internal" href="../Learn-models-with-your-own-images/">Learn a model with your own images</a>
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<li class="toctree-l1"><a class="reference internal" href="../Correction%20Algorithm/">Correction Algorithm</a>
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<p class="caption"><span class="caption-text">Troubleshooting</span></p>
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<li class="toctree-l1"><a class="reference internal" href="../Error-Codes/">Error Codes</a>
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<li class="toctree-l2"><a class="reference internal" href="#rebooting">Rebooting</a>
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<li class="toctree-l3"><a class="reference internal" href="#general-remark">General Remark</a>
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<li class="toctree-l3"><a class="reference internal" href="#getting-deeper-inside">Getting deeper inside</a>
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<li class="toctree-l2"><a class="reference internal" href="#often-observed-problems">Often observed problems</a>
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<li class="toctree-l3"><a class="reference internal" href="#hardware-failure">Hardware failure</a>
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<li class="toctree-l3"><a class="reference internal" href="#roi-misaligned">ROI misaligned</a>
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<li class="toctree-l3"><a class="reference internal" href="#my-analog-meter-are-recognized-as-digital-counter-or-vice-versa">My Analog Meter are recognized as Digital Counter or vice versa</a>
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</li>
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<li class="toctree-l3"><a class="reference internal" href="#recognition-is-working-well-but-number-arent-sorted-correctly">Recognition is working well, but number aren't sorted correctly</a>
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<li class="toctree-l1"><a class="reference internal" href="../Frequent-Reboots/">Frequent Reboots</a>
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<li class="toctree-l1"><a class="reference internal" href="../Demo-Mode/">Demo Mode</a>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../StatusLED-BlinkCodes/">StatusLED BlinkCodes</a>
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<h1 id="error-debugging">Error Debugging</h1>
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<h2 id="rebooting">Rebooting</h2>
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<h5 id="general-remark">General Remark</h5>
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<ol>
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<li>
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<p>Due to the rather complex code with a lot of external libraries and the limited availability of memory a reboot of the device from time to time is "normal". Background are memory leakages and therefore running out of free memory. </p>
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</li>
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<li>
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<p>The hardware of the ESP32CAM has a varying quality. I have one and the same hardware with a reboot range from every 5 detection runs to up to 250 detection runs. </p>
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</li>
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</ol>
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<h5 id="getting-deeper-inside">Getting deeper inside</h5>
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<p>Have a look into the log file (<code>/log/message/...</code>). </p>
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<ul>
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<li>If the log file is very short you need to enable a enhanced logging in the <code>config.ini</code> (Debug --> <code>logfile = true</code>) . </li>
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</ul>
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<p>Analyze the debugging output of the serial interface</p>
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<ul>
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<li>Connect a serial to USB interface (like for flashing) and make a logging of the serial communication</li>
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<li>There are a lot more intermediate information and the lines before the reboot tell you, where the firmware fails</li>
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</ul>
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<p><strong>If you make an issue about this, please post these two information additionally</strong> </p>
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<p><strong>Don't forget to remove your WLAN password in the serial log</strong></p>
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<h2 id="often-observed-problems">Often observed problems</h2>
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<h3 id="hardware-failure">Hardware failure</h3>
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<ul>
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<li>Camera not working --> check the interface, test another module</li>
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<li>Low cost module with only 2MB of PSRAM instead of 4MB --> image taking will fail first. This will never work due to too low memory</li>
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</ul>
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<h3 id="roi-misaligned">ROI misaligned</h3>
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<p><img src="https://user-images.githubusercontent.com/108122193/188264361-0f5038ce-d827-4096-93fb-5907d3b072b4.png" width=30% height=30%></p>
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<p>This typically happens if you have suboptimal "Alignment Marks". A very simple and working solution is to put put higly contrasted stickers on your meter and put "Alignment Marks" on it (see picture below)</p>
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<p><img src="https://user-images.githubusercontent.com/108122193/188264752-c0f2a2be-0c22-40de-afaf-fd55b2eb4182.png" width=30% height=30%></p>
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<p>If after those adjustment you still have some issues, you can try to adjust your alignment settings in expert mode:
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<img src="https://user-images.githubusercontent.com/108122193/188382213-68c4a015-6582-4911-81bc-cdce8ef60ed2.png" width=75% height=75%></p>
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<h3 id="my-analog-meter-are-recognized-as-digital-counter-or-vice-versa">My Analog Meter are recognized as Digital Counter or vice versa</h3>
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<p><img src="https://user-images.githubusercontent.com/108122193/188265470-001a392f-d1f4-46a3-b1e8-f29ec41c8621.png" width=40% height=40%></p>
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<ol>
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<li>First, check that your ROI are correctly defined (yey!)</li>
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<li>Second, verify that the name of your ROI analog and digital ROIs are different </li>
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</ol>
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<h3 id="recognition-is-working-well-but-number-arent-sorted-correctly">Recognition is working well, but number aren't sorted correctly</h3>
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<p>You have to sort your ROI correctly (Bigger to smaller). Select your ROI and click either "move next" or "move previous". Repeat until your ROI are correctly sorted</p>
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<p><img src="https://user-images.githubusercontent.com/108122193/188264916-03befff1-4e61-4370-bd5a-9168a88c57f2.png" width=50% height=50%></p>
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