Ever leave the house wondering if you left something on that should’ve been turned off? Wouldn’t you love to be able to power down your house with the touch of one button? That’s the simple notion ...

It’s so silly that I have to click on Start to get to the command to end my session on my computer. As if that’s not enough, I then have to select from a menu to either Stand By , Turn Off or Restart ...

This schematic diagram is about touch switch circuit. Separate ON and OFF switch improves the ergonomics for safety, since the touching off button when the state is off doesn’t make the system acts in ...

Those of you with a buggy button on your iPhone 5 now have another year to get your phone repaired or replaced. Lance Whitney is a freelance technology writer and trainer and a former IT professional.

In this simple circuit we give the chip a little more attention than usual. It is astonishing what can be built with a 555. We are always infatuated with simple circuits using this IC, such as the one ...