Four-Channel Relay Board for IoT

Article excerpt

A relay board combines four relay channels, Wi-Fi, Bluetooth, and expansion pins for smart home, industrial, and IoT control applications. Rajguru Electronics (I) Pvt. Ltd. has launched the ADIY 4 Channel IoT Relay Board, an ESP32-based controller that combines wireless connectivity with four relay outputs for remote switching and automation. The board is designed for […]