This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno clones, has within it a watchdog timer that clicks over at a rate of ...

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 ...

A port for DS18B20 temperature sensor; A port for TSOP1838 infrared receiver module; A APC220 wireless module interface (serial/UART interface) Here is a circuit diagram of the multifunction shield ...