An arduino-controlled relay for automatically switching AC voltage supply on and off at user-defined time intervals and durations. Included are the build notes. Part of the Open Science Framework ...

The circuit was designed to provide a voltage over and under the specified value with the use of a switch that will be operated by a relay. LM741 – a general purpose single operational amplifier with ...

This circuit allows an SPST momentary pushbutton to act as a push-on push-off switch, using a DPDT latching (bi-stable) relay. It was originally intended to allow a single pushbutton switch on the ...

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 ...

This Harmony RM17-J control relay allows monitoring of current control in 3-phase networks. This modular 3-phase control relay is ideal for monitoring of electrical values and current variation in ...