
Introduction to Computer Controlled Relays and Switching
Introduction If you are new to the idea of a computer controlled relay, then this introduction to switching and relay controllers will teach you all you need to know! A relay is best defined as a switch that is operated by an electromagnet. A relay controller is a device that is used to control a bank of switches. A relay controller works by turning on and off magnetic coils under logic control. A computer controlled relay driver allows your computer to send simple commands to activate a switch or a group of switches. Relays are ideally suited for controlling everything