The objective of this post is to explain how to send JSON messages over MQTT using the ESP32. Introduction The objective of this post is to explain how to send JSON messages over MQTT using the ESP32. To do so, we will be using two libraries that handle the low level details and expose us …
ESP32: Publishing messages to MQTT topic
The objective of this post is to explain how to publish a message to a MQTT topic, using the ESP32 and the Arduino IDE libraries. Introduction The objective of this post is to explain how to publish a message to a MQTT topic, using the ESP32 and the Arduino IDE libraries. We will assume that …