Although many electromechanical relays have been replaced by their solid-state cousins, they still have their place in electronic systems and they are still being manufactured. The early telephone ...

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 ...

I appreciated the feedback I got on my switch blog (This Little Switch Went to Market). This time, let's deal with the electromechanical (E/M) device, the relay. I know there are solid-state relays; I ...