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 best of the suggestions in the Twitter thread brings us to the Arduino Entropy Library, which uses jitter in the microcontroller clock to generate truly random numbers that can be used as seeds.

The Arduino platform has been the basis of some awesome projects in the past, but I have yet to see an application of the technology that is more fun than this Etch-a-Sketch clock.

Do you have a hard time waking up like I do? TK takes us though a simple Arduino setup that creates a sunrise alarm to help you wake up to a simulated sunrise.

Dejan Nedelkovski has built a stylish DIY touchscreen Arduino music player and alarm clock which has been created using a folded piece of sheet metal to provide a minimalist yet clean enclosure to ...

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 thr… ...

Instead, Make shows you how to build an internet-connected alarm clock using an Arduino and Google. All you'll need is an Arduino Yúnm a touch screen, a USB speaker, and a few cables.

Angela Yuan built this amazing Etch-A-Sketch Clock. It uses the Arduino computing platform to control the knobs, which twist to sketch the time, every minute. The Etch-A-Sketch rolls to erase the ...

Now it is very easy to build your own siren sound alarm, small enough to be carried in a garment pocket. This powerful audio-visual alert device is realized using the renowned Arduino platform. The 9V ...

Automating Etch A Sketch units to pull off all sorts of mesmerizing tricks is certainly not new, but angelabuilds' beautifully created Etch A Sketch clock truly is a notch above the rest ...