This is a simple Arduino-based smart alarm clock that uses a passive infrared sensor (PIR) in a custom 3D-printed housing. The 16×2 LCD has a backlight and the PIR is set to brighten the display every ...

While it is hard to tell with a photo, this robot looks more like a model of an old- fashioned clock than anything resembling a Nixie tube. It’s the kind of project that could have been created by ...

Clocks are a popular project on Hackaday. They’re a great way to showcase a whole range of creative build techniques, and can make an excellent showpiece as well. We’ve seen everything from the ...