Sunrise alarm clock uses DCF77 for perfect time

sunrise-alarm-clock-dcf77

Here’s a sunrise alarm clock that keeps perfect time. It was designed and built by [Renaud Schleck] who also published a post detailing the process.

As you can see, a series of white LEDs inside of the transparent case which provide the simulated sunrise. As the days get short and the nights longer we do see the benefit of … Read the rest

Cheap USB LCD

Part of the pre-Vista hype was the idea of auxiliary displays. Laptop and desktop displays would provide additional information from your computer. The Vista SideShow feature hasn’t really caught on and the surplus hardware has started to drop in price. Take this PicoLCD for example: It’s a 4×20 character LCD with an IR receiver, multiple buttons, and a USB … Read the rest