The TV-B-Gone is a well known piece of kit in hacker circles: just point it at a noisy TV in a public space, hit the button, and one of the hundreds of IR remote codes for “Power Off” that it ...

Instead, he prototyped basic communication by running an Arduino Uno as a simple ... the phone apart and tapped into the power button to control on/off states. He also disconnected the phone ...

DO NOT connect in any ways the main power supply that drive the LOAD to the arduino and transistor ... In our case after the button is pressed the relay will be switched ON and after 5 seconds will ...

The whole system can be powered from any 12VDC power source, for instance from an automobile battery. /* * Arduino Camping Light * Camping Light with a single push button switch to control the light ...