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 ...

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 ...

The switch circuit consists of two transistors, a comparator, a flip flop and a monostable. As you might expect, the button triggers the flip flops to turn the triac on. However, if you hold the ...