Weidmuller USA has unveiled CUBESERIES Industrial Relay Modules that are made in Europe, assembled in the USA, and optimized ...

The transmitter unit (IR or ultrasonic sensor + RF transmitter) detects when a person approaches the door. It sends a signal via the 434 MHz RF Transmitter. The receiver unit (connected to a second ...

A beginner-friendly IoT home automation system using NodeMCU ESP8266 and Blynk Cloud. Control up to 4 appliances remotely via smartphone using virtual pins and Wi-Fi.