So, in the last installment of this series on the messaging protocol MQTT, we installed the Mosquitto MQTT broker. Now we’ll test it which we’re going to do on the same machine that Mosquitto ...

There is a MQTT lib for Arduino or ESP8266, ESP32 etc.. as well (just don’t use TLS with the Arduino Ethernet shield unless you have a beefy Arduino). Report comment. Reply.

First of all, there are definitely simpler ways to monitor remote temperatures, but [Mike]’s remote MQTT temperature sensor and display project is useful in a few ways. Not only does it lay o… ...