Holo Clock is a unique clock created using a little 3D printing and Arduino hardware and coding by Instructables user “saulemmetquinn”. The clock uses rings to tell the time and was recently as a ...

I remember seeing my first marble clock in a shop window in Geneva when I was very young and being mesmerised by the balls rolling every minute to indicate the passing of time. It was sometime later I ...

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 ...