This circuit is designed on request and can be useful to those whishing to have, say, a red LED illuminated when an appliance is on and a green LED illuminated when the same appliance is off. Any ...

These 22mm and 30mm direct incandescent-replacement panel LED pilot lamps and holders comprise an integrated modular system. The RPLH Series are complete assemblies that incorporate the lens, lamp and ...

If an LED pilot lamp is used in battery powered circuits, it will unnecessarily consume power. This circuit lights an LED at power on and after one minute it will turns off. The circuit uses a Zener ...