Sand has been used to keep track of the passage of time since antiquity. But using sand to make a persistence of vision digital clock (English translation) is something altogether new. And it&#8217… ...

It’s always clock time at Hackaday, and this time we have an interesting hack of a clock by [danjovic]– the CIS4, a ...

Upgrade your nightstand and morning routing with the Mirrored Digital Alarm Clock With Dual USB Ports. Right now, you can get it for 33% off $32 at just $21.99.

Luckily, thanks to the magic of 21st century technology, plenty of the beset digital alarm clocks now come with a USB port attached, opening up device-charging space.

Casio turned its A158W digital watch into a larger desk clock with alarm functionality plus a temperature and humidity sensor. Wake up like it’s the ’80s again. Skip to main content.