This video demonstrates how to set up a remote temperature monitoring system using an Arduino Uno R4 WiFi, an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature ...

In few minutes you will be able to read and write to storage (in JSON format), read and send messages to an MQTT queue, connect to WiFi without hardcoding passwords and more... Arduino Bootstrapper ...

Abstract: In line with the advancements in Internet of Things (loT) technology and its wide range of applications, this paper presents a secure AC control switch bot with an environmental monitoring ...

I got 2 Raspberry Pi 4's and and the python script that sends data via MQTT only works with one Pi in HA at a time. If I delete on Pi 4 and keep the other alive no problem with MQTT. I mean it creates ...