The purpose of a clock is to show the time, obviously. But if you’ve followed Hackaday for some time, you’ll know there are about a million different ways of achieving this. [illusionmanager] added ...

I like this. Following on from the creative use of LEDs with the Periodic Table, check out this smart shelving system, similarly driven by an Arduino and using LEDs, that serves as a clock. Not a ...

Bad LEDs don’t die. They just fade away and sometimes exceedingly quickly, like this LED nightlight example. Observant reader Clive Mitchell sent in this rather amusing example of a large display LED ...

Which digital wall clock is best? Whether you need particularly large numbers, extra information such as temperature or features such as alarms and dimmable backlighting, a wide range of digital wall ...

Armed with this level of performance, a new generation of microwave timekeeping opens the door for many scientific and technological advances Time and frequency standards are a key part of ...