Hackaday

Entropy And The Arduino: When Clock Jitter Is Useful

What do you do, when you need a random number in your programming? The chances are that you reach for your environment’s function to do the job, usually something like rand() or similar. This returns ...
Hackaday

Clock Mechanism Goes Crazy For Arduino

You’ve doubtless seen those ubiquitous clock modules, especially when setting clocks for daylight savings time. You know the ones: a single AA battery, a wheel to set the time, and two or three hands ...
Geeky Gadgets

DOTKLOK, The Open Source Arduino Digital Clock

We have featured quite a few cool clocks here at Geeky Gadgets, and the latest one is the work of Andrew O’Malley, the DOTKLOK, which is an open-source Arduino digital clock. The DOTKLOK comes with a ...
Geeky Gadgets

Ectromechanical Arduino clock built using 28 servos

Maker Michael Klements has built a unique electromechanical clock using a little Arduino hardware, code, and 28 servos, which tilt panels to reveal the correct time in digital format. As the time ...
Lifehacker

Build a Wireless Alarm Clock with an Arduino

Alarm clocks are cheap and abundant, but they’re pretty boring. If you want to make your own, Instructables user Paranoid Legend shows you how to build one with an Arduino. The alarm clock is made ...
EDN

Snow Clock Based on Arduino

This Arduino based snow clock has the feature of turning ON when the school is open and automatically turns off when the school is closed. This Arduino based snow clock has the feature of turning ON ...
Lifehacker

Build an Internet-Connected Alarm Clock with an Arduino

Your smartphone makes a great smart alarm clock, but not everyone wants their phone next to their bed all the time. Instead, Make shows you how to build an internet-connected alarm clock using an ...