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Site updated at 2017-02-11 22:15:34 UTC

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blog/2016/08/31/esp8266-and-micropython-part2/index.html
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@ -122,7 +122,7 @@ So, part 1 of <a href="/blog/2016/07/28/esp8266-and-micropython-part1/">ESP8266
<p>Beside <a href="https://en.wikipedia.org/wiki/POST_(HTTP)">HTTP POST</a> requests, MQTT is the quickest way (from the author’s point of view) to publish information with DIY devices.</p>
<p>You have to make a decision: Do you want to pull or to [poll](https://en.wikipedia.org/wiki/Polling_(computer_science) the information for the sensor? For slowly changing values like temperature it’s perfectly fine to wait a couple of seconds to retrieve the value. If it’s a motion detector the state change should be available instantly in Home Assistant. This means the sensor must take initiative and send the data to Home Assistant.</p>
<p>You have to make a decision: Do you want to pull or to <a href="https://en.wikipedia.org/wiki/Polling_(computer_science)">poll</a> the information for the sensor? For slowly changing values like temperature it’s perfectly fine to wait a couple of seconds to retrieve the value. If it’s a motion detector the state change should be available instantly in Home Assistant. This means the sensor must take initiative and send the data to Home Assistant.</p>
<p>An example for pulling is <a href="/components/sensor.arest/">aREST</a>. This is a great way to work with the ESP8266 based units and the Ardunio IDE.</p>