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 ...

After I finished the morse code generator I came to the conclusion something important was missing. But what??? Looking at my desk, in our kitchen, in our livingroom it became clear: almost all ...

When [Doug] moved into his new house, he found an old alarm panel set up — but it had no monitoring service any more. Not wanting to pay a monthly fee to have it setup, he decided to try interfacing ...

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 ...

Nothing makes you feel the pressure of getting out of bed in the morning like a ticking-time-bomb on the bedside table. It may look like it came in the mail from ACME, but all that went into this is ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

I have long been fascinated by time, as it is our most precious commodity. When my old store-bought, atomic clock controlled projection alarm clock failed, I decided to build my own… In short order, I ...

Sick of telling time the old way? Spice up your time-telling time with the open-source, hackable and Arduino-based DOTKLOK. Basically, you can get a bunch of different ways to tell time. Different ...