Originally built as a basic monitor and control tool for the Numato 2 Channel USB Relay Module, it should be usable on almost any Numato USB device that uses the same serial command scheme. Currently ...

ESP01 Smart Relay is a smart relay controller based on ESP8266 (ESP-01S) with web interface. It allows you to control your lighting or other electrical devices remotely, and includes an astronomical ...

Relays are common in many switching circuits where controlling (turning ON or OFF) an AC load is required. But due to the electromechanical characteristic, a mechanical relay has a self-life, and also ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

Motion sensor circuits are there on the Internet for quite a while now. These circuits are mainly used to drive AC load (like lights, fans) in home automation or IoT projects. It is also very common ...

Designed and built in Europe, the Foundry DIN Relay 12 is a cost-effective, relay-only solution ideal for work lights, house ...