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Min/max Sensor
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<p>The <code class="highlighter-rouge">min_max</code> sensor platform is consuming the state from other sensors and determine the minimum, maximum, and the mean of the collected states. The sensor will always show you the highest/lowest value which was received from your all monitored sensors. If you have spikes in your values, it’s recommended filter/equalize your values with a <a href="/components/sensor.statistics/">statistics sensor</a> first.</p>
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<p>It’s an alternative to the <a href="/components/sensor.template/">template sensor</a>’s <code class="highlighter-rouge">value_template:</code> to get the average of multiple sensors.</p>
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<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="pi">{{</span> <span class="nv">((float(states.sensor.kitchen_temperature.state) +</span>
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<span class="nv">float(states.sensor.living_room_temperature.state) +</span>
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<span class="nv">float(states.sensor.office_temperature.state)) / 3) | round(2)</span>
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<span class="pi">}}</span>
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</code></pre>
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</div>
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<p>To enable the minimum/maximum sensor, add the following lines to your <code class="highlighter-rouge">configuration.yaml</code>:</p>
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<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="c1"># Example configuration.yaml entry</span>
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<span class="s">sensor</span><span class="pi">:</span>
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<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">min_max</span>
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<span class="s">entity_ids</span><span class="pi">:</span>
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<span class="pi">-</span> <span class="s">sensor.kitchen_temperature</span>
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<span class="pi">-</span> <span class="s">sensor.living_room_temperature</span>
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<span class="pi">-</span> <span class="s">sensor.office_temperature</span>
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</code></pre>
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</div>
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<p>Configuration variables:</p>
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<ul>
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<li><strong>entity_ids</strong> (<em>Required</em>): At least two entities to monitor</li>
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<li><strong>type</strong> (<em>Optional</em>): The type of sensor: <code class="highlighter-rouge">min</code>, <code class="highlighter-rouge">max</code> or <code class="highlighter-rouge">mean</code>. Defaults to <code class="highlighter-rouge">max</code>.</li>
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<li><strong>name</strong> (<em>Optional</em>): Name of the sensor to use in the frontend.</li>
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<li><strong>round_digits</strong> (<em>Optional</em>): Round mean value to specified number of digits. Defaults to 2.</li>
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</ul>
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<div class='edit-github'><a href='https://github.com/home-assistant/home-assistant.github.io/tree/current/source/_components/sensor.min_max.markdown'>Edit this page on GitHub</a></div>
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<div class='section'>
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IoT class<sup><a href='/blog/2016/02/12/classifying-the-internet-of-things/#classifiers'><i class="icon-info-sign"></i></a></sup>: Local Polling
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<div class='section'>
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Introduced in release: 0.31
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</div>
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<div class='section'>
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<h1 class="title delta">Category Sensor</h1>
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<ul class='divided'>
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<li>
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<a href='/components/sensor.apcupsd/'>APCUPSd Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.api_stream/'>API Stream Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.arwn/'>ARWN Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.bbox/'>Bbox Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.bloomsky/'>BloomSky Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.broadlink/'>Broadlink RM2 and A1 sensor</a>
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</li>
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<li>
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<a href='/components/sensor.command_line/'>Command line Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.dweet/'>Dweet.io</a>
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</li>
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<li>
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<a href='/components/sensor.emoncms/'>Emoncms Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.enocean/'>EnOcean Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.envisalink/'>Envisalink Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.gpsd/'>GPSD</a>
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</li>
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<li>
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<a href='/components/sensor.http/'>HTTP Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.haveibeenpwned/'>HaveIBeenPwned Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.homematic/'>Homematic Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.imap_email_content/'>IMAP Email Content</a>
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</li>
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<li>
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<a href='/components/sensor.imap/'>IMAP Unread E-mail</a>
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</li>
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<li>
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<a href='/components/sensor.isy994/'>ISY994 Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.influxdb/'>InfluxDB Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.iss/'>International Space Station Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.mhz19/'>MH-Z19 CO2 Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.mqtt/'>MQTT Sensor</a>
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</li>
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<li>
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Min/max Sensor
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</li>
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<li>
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<a href='/components/sensor.modbus/'>Modbus Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.moldindicator/'>Mold Indicator</a>
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</li>
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<li>
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<a href='/components/sensor.mysensors/'>MySensors Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.nut/'>NUT Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.neato/'>Neato Robotics Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.nest/'>Nest Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.octoprint/'>OctoPrint Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.onewire/'>One wire Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.pilight/'>Pilight Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.rest/'>RESTful Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.rfxtrx/'>RFXtrx Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.random/'>Random Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.scrape/'>Scrape Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.sensehat/'>Sense HAT</a>
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</li>
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<li>
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<a href='/components/sensor.sleepiq/'>SleepIQ Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.sonarr/'>Sonarr Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.statistics/'>Statistics Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.synologydsm/'>SynologyDSM Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.tcp/'>TCP Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.temper/'>TEMPer Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.tellstick/'>TellStick Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.tellduslive/'>Telldus Live sensor</a>
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</li>
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<li>
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<a href='/components/sensor.template/'>Template Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.thinkingcleaner/'>Thinking Cleaner sensor</a>
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</li>
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<li>
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<a href='/components/sensor.usps/'>USPS Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.vera/'>Vera Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.verisure/'>Verisure Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.wink/'>Wink Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.waqi/'>World Air Quality Index</a>
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</li>
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<li>
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<a href='/components/sensor.zwave/'>Z-Wave Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.zigbee/'>ZigBee Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.zoneminder/'>ZoneMinder Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.arest/'>aREST Sensor</a>
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</li>
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<li>
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<a href='/components/sensor.mfi/'>mFi Sensor</a>
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</li>
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</ul>
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</div>
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</section>
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</div>
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