Figure 1 gives a simple circuit for the PUSH ON, PUSH OFF function with only a few inexpensive components. In this design, the output is connected to the input of the gadget when you press the push ...

In Figure 1’s circuit, if the single push button ... OFF functions for AC voltage. In this circuit, mains AC is fed to output terminal through the U5 triac. It should be selected according to voltage ...

The Limitless Wireless Operator Interface, WOI Series, is a controller designed to wirelessly turn on and off equipment, open or close gates ... directly to equipment to turn on LEDs or start/stop ...

[Glen]’s project sounds perfectly straightforward: have a big industrial-style push button act as a one-key USB keyboard. He could have hacked something together in any number of ways ...