Or perhaps you can combine both worlds, which is what [oldmaninSC] did with his digital clock ... with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with ...

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 and ...

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. The idea here is to use a cheap clock from ...

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 this week providing full instructions on ...