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ESP8266 + DHT22 + MQTT: make a connected object IoT and include it in Home Assistant


christophe
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ESP8266 + DHT22 + MQTT, here's how we will learn how to make our first connected object (a temperature probe) and connect it to the Home Assistant server. To realize this connected object we will need a WiFi module ESP8266, a DHT22 temperature and humidity sensor and an LED (to simulate the control of a lamp). For…

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