Relays continue to be useful and popular, but in low-power, battery operated applications they tend to be power wasters. The following relay economy circuits reduce coil power significantly by simply ...

Ted’s solution was to install and connect a relay to the junction of the A17 Q2 collector and R12 on the Audio Driver Board. The relay would short this junction to ground immediately upon transmitter ...

Tweet this The connected relay device will enable homeowners to see, monitor and control their home energy at the individual circuit level, all from the Wiser Energy app.