A basic Arduino board adds creativity, flexibility, and interactivity to your home lab. It costs little but opens countless ...

The MQTT protocol is ideal for this type of application. A practical example of its use is the following: an analog thermometer, connected to Arduino UNO R4 detects the ambient temperature and sends ...

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 ...