The relay's primary appeal is its ability to do a lesser-switch's bidding but it's capable of so much more. Relays can be wired together to create very useful, simple, and utterly reliable networks.

This design example report describes a two-wire (no neutral), wide range, non isolated flyback, bluetooth wall switch using Link Switch-TN2 family of devices. It has an input voltage of 90 VAC-277 VAC ...

The intercom goes ultra-high-tech with this snazzy switch system from Wink. A smart thermostat? Smart light switches? Amateur hour. If you really want to up your smart-home game, it’s time to get ...