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Using Homie for a temperature sensor

Reading time: 2 – 2 minutes

The second episode of ESP8266 programming series. In the next video I describe how to code a firmware for ESP8266 using Arduino IDE. The purpose of that firmware is create a temperature sensor and publish the reading in a MQTT broker.

Schema of the system:

temperature-sensor-schema

Pictures of the system, I used ESP12E Devkit and some cheap parts:

dav

mde

mde

References in Aliexpress where I bought the hardware:

thermistor psu

Firmware source code is publishied in my github account: temperature sensor source code for ESP8266.

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