An Arduino Uno relay module controls high-power devices by switching electrical circuits on or off. It's commonly used for home automation, industrial automation, and controlling lights, motors ...

By using an Arduino Uno and a single-channel relay module, you can control high-voltage or high-power devices, such as lights, motors, and appliances, from your computer or mobile device. In this blog ...

RA4M1 microcontroller block diagram. The new Arduino UNO R4 board also adds a CAN bus and a 12-bit analog DAC. Two versions of the new 32-bit Arduino UNO board will be offered: UNO R4 WiFi and UNO R4 ...