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 ...

After getting an automatic fish feeder at a discount sale (see below) I started thinking about making a simple feeder relay module using available parts. The intention was to make a universal feeder ...

A relay module is an electrical component. Various industries use this circuit board that houses one or more electric switches or relays in different circuits and electrical projects. Relay boards are ...

This pulse control module mounts directly on a single 3 to 32 Vdc Input SSR and supports single phase 50 or 60 Hz operation. The CE compliant PCM5 tolerates inputs less than 4 mA. In a manufacturing ...

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