When it comes to electronics, it seems like a relay is such a simple device – yet, it is able to interface some pretty elaborate high-end systems with a fire alarm system. Working with relays is an ...

Hybrid relays combine a mechanical switch with a solid-state switch, and they are set up in parallel to control a single load ...

In this HVAC training video program, Jim explains potential relays and their important numbers (1, 2 and 5) and also shows how to use a meter to test and troubleshoot them along with their companion ...

Over my almost 60 years in the auto repair industry as an ASE and GM Master Technician, and vocational education automotive technology instructor, I have seen firsthand how vehicles have evolved from ...

In this HVAC training video program, Jim explains the popular PSC multiple speed motor used in HVAC/R equipment and how relays are used to control their operation. He also uses meters and graphics to ...

[Afroninja] is back with another great tutorial on basic electronics. This time around he’s explaining H-Bridge motor controllers and how they work! Even if you don’t have much (or any) experience ...