Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

This simple, wall-mounted night light is just the thing. All it takes is two AA batteries, a resistor, a red LED, and an SPST push button. [Vchaney] even made their own battery contacts.

BivarOpto , the Optoelectronics division of Bivar Inc , introduced a light pipe designed specifically to operate with board-mounted push-button switches, enabling non-lighted switch models to perform ...

A built-in relay and contact is provided for ON/OFF control of the AC LED power supply. The PWM outputs can be jumper-set for Active High or Active Low operation. In either DALI or push dimming mode, ...