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 ...

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 ...

As any programmer could tell you, there’s significant value in automating a process that is performed often enough. The more times that process is used, the more it makes sense to automate it or at ...

The CR Series multichannel relay modules are available in densities as high as eight relays in a 1-in. DIN-rail space. Rated to 8 A at 250 Vac, the devices feature a top-mounted LED that indicates ...

Relay modules are input/output devices that mount on DIN-style rails. The rails typically reside in enclosures and hold controls for managing factories, buildings, and machines. As the space inside ...