If you’re dealing with RF, you’ll probably have the need to generate a variety of clock signals. Fortunately, [Jason] has applied his knowledge to build a SI5351 library for the Arduino… ...

Watch the video below to learn how and affordable IKEA clock has been transformed into a visual traffic monitor using a couple of LEDs and a little Arduino programming.

To make things a little easier on yourself, Arduino shield-maker 1Sheeld shows off how to hack a clock to change color depending on traffic conditions.

Update: In response to some questions in the comments, [Paul] added a second video comparing the Teensy 3.1 to the Arduino Due. The Due running at a higher SPI clock speed, however the Teensy with ...

If you are considering purchasing a Nixie tube clock kit you may be interested in a new Arduino project published by Doug Domke to the Hackster.io website ...

You have a timer and clock in just about every single device out there these days, but if you want to build you own, Instructables user GeraldF6 shows you how to do so with a Arduino. The project ...