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180 lines
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<title>Functionallity — GravityMon 0.5.0 documentation</title>
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<p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
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<li class="toctree-l1"><a class="reference internal" href="releases.html">Releases</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Functionallity</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#the-main-differences">The main differences</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#other-features">Other features</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#experimental-features">Experimental features</a></li>
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<section id="functionallity">
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<h1>Functionallity<a class="headerlink" href="#functionallity" title="Permalink to this headline"></a></h1>
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<section id="the-main-differences">
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<h2>The main differences<a class="headerlink" href="#the-main-differences" title="Permalink to this headline"></a></h2>
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<ul>
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<li><p><strong>Operates in two modes `gravity monitoring` and `configuration mode`</strong></p>
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<p>In gravity monitoring mode it behaves just like the iSpindle, it wakes up at regular intervals, measure angle/tile, temperature, calculates gravity and pushes the data to defined endpoints.</p>
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<p>In configuration mode the device is always active and the webserver is active. Here you can view the angle/tilt values, change configuration options and more. When in this mode you can also interact with the device
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via an REST API so data can be pushed to the device via scripts (see API section for more information)-</p>
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<p><em>See the configuration section for more information on how to trigger the configuration mode.</em></p>
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</li>
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<li><p><strong>Can send data to multiple endpoints at once</strong></p>
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<p>The orignial iSpindle can only have one destination, this sofware will push data to all defined endpoints so in theory you can use them all. However this will consume a lot of battery power so use only as many as needed.</p>
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<p>Currently the device supports the following endpoints: http (2 differnt), influxdb2 and Brewfather</p>
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<p>If you want additional targets please raise a feature request in the github repo.</p>
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</li>
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<li><p><strong>Build in function to create gravity formulas, so no need for using other tools for this part</strong></p>
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<p>Another big difference is that this software can create the gravity formula in the device, just enter the angle/gravity data that you have collected. You will also see a graph simulating how the formula would work.</p>
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</li>
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<li><p><strong>Automatic temperature adjustment of gravity reading</strong></p>
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<p>If you want to correct gravity based on beer temperature you can do this in the formula but here is a nice feature that can correct the gravity as a second step making this independant of the formula.</p>
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</li>
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</ul>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>This feature needs more testing to be validated.</p>
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</div>
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<ul>
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<li><p><strong>OTA support from local webserver</strong></p>
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<p>When starting up in configuration mode the device will check for a software update from a local webserver.</p>
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</li>
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<li><p><strong>DS18B20 temperature adjustments</strong></p>
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<p>You can adjust the temperature reading of the temperature sensor.</p>
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</li>
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<li><p><strong>Gyro Movement</strong></p>
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<p>The software will detect if the gyro is moving and if this is the case it will go back to sleep for 60seconds. This way we should avoid faulty measurements.</p>
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</li>
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</ul>
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</section>
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<section id="other-features">
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<h2>Other features<a class="headerlink" href="#other-features" title="Permalink to this headline"></a></h2>
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<ul class="simple">
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<li><p>Support for Celcius and Farenheigt as temperature formats.</p></li>
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<li><p>Support SG (Plato is not yet supported)</p></li>
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<li><p>Gyro data is read 50 times to ensure good accuracy</p></li>
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</ul>
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</section>
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<section id="experimental-features">
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<h2>Experimental features<a class="headerlink" href="#experimental-features" title="Permalink to this headline"></a></h2>
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<ul>
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<li><p>Use the temperature sensor in the gyro instead of DS18B20</p>
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<p>This works fine when the device has time to cool down between measurements and it saves a few milliseconds (reduced battery consumption). My testing shows that this is quite accurate.
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There is lots of battery power to save, reading the temp sensor takes almost as long as the gyro. This could reduce the run time by 40-50% and probly extend battery life with the same.
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However more testing is required. Might add this as an option in the UI.</p>
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</li>
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</ul>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>This is not enabled by default.</p>
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</div>
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<ul>
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<li><p>Performance measurements</p>
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<p>I’ve also create a small library to measure execution code in some areas of the code that i know is time consuming. This way I can find a good balance between performace and quality.</p>
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<p><em>See the compile section for more information.</em></p>
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</li>
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</ul>
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</section>
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<p>© Copyright 2021-2022, Magnus Persson.</p>
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