Inside a metal project box — grounded, of course — an ATtiny85 is connected to a button, an opto-isolated TRIAC AC power switch, and a ‘pilot’ light indicating power.

This push-button fan switch design includes a timed automatic shut off, connections to the mains, and other minor changes from previous Design Ideas.

If the computer never responds to the power button or always restarts when the power button is held down, the button may be defective. Replacing a power switch for a desktop is relatively simple.

Here's the situation --I'm putting a wood face-plate on a case, and need a new switch to put on it. It's a standard ATX case.The old switch has a funny-shaped stupid looking button -- I don't like ...

If you need a circuit that converts a momentary push button to a latching switch with low standby current, this design might suit your needs.

The new Trailblazer offers stable performance in urban and off-road environments. It features a system allowing drivers to switch between front-wheel and all-wheel drive modes with a button press.

Push-button start has been, until recently, considered a luxury feature. That’s no surprise — starting your car with the press of a button feels like the height of convenience.

Your device may hang sometimes, which is where long-pressing the button comes in. If you regularly power off your PCs, tablets, laptops, or game consoles by holding down the power button until it ...

The Switch 2 is almost here — but PC handhelds are giving it big competition The Switch 2 will have a lot of competition from other great handhelds like the Steam Deck.

There are several ways to turn off your Nintendo Switch or put it into Sleep Mode, most of which involve the power button.