Making a clock with a common microcontroller like an Arduino isn’t very difficult. However, if you’ve tried it, you probably discovered that keeping track of wall time is difficult with… ...

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some… ...

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 ...

DOTKLOK Is A Hackable, Open-Source, Arduino Clock. Also Neat Looking. Contributor. ... LED colors come in red or green. The only down side is the price (starts at $150).

Okay, I knew this would happen - one Arduino clock leads to another. Take a look at a clock that tells the time in terms of the first 192 digits of Pi, via a 32 x 8 LED matrix... Dubbed the Pi Day ...

Sean took an antique clock an removed the mechanisim, and then replaced it with an Arduino, that is programmed to check the weather on the Environment Canada website every fifteen minutes.

Brent Graham's clock is as unusual as it is beautiful. It’s amazing what you can make with a blonk of acoustic guitar wood, a string of LED lights, and some basic coding knowledge.

“So for instance, you can have one Arduino with a button, another Arduino connected wirelessly with an LED, push the button and turn on the LED without any additional single line of code to handle the ...