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We are going to connect an ESP32 to a specific Wi-Fi network and it will send temperature and humidity data, obtained through a DHT22 sensor, to a ThingsBoard server via MQTT, using an access token for authentication.
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We are going to connect an ESP32 to a specific Wi-Fi network and it will send temperature and humidity data, obtained through a DHT22 sensor, to a ThingsBoard server via MQTT, using an access token for authentication.