DIY Sunrise Alarm Clock Sports a Polished Build and Perfect Time Keeping

Posted by Jason Fitzpatrick on How to geek See other posts from How to geek or by Jason Fitzpatrick
Published on Thu, 06 Dec 2012 18:00:10 GMT Indexed on 2012/12/07 5:09 UTC
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We’ve seen our fair share of sunrise simulators, but by far this one is the most polished build–everything from the atomic clock circuit to the LEDs are all packed cleanly in a frosted acrylic case.

Renaud Schleck, the tinker behind the build, describes the guts:

This is an alarm clock simulating the sunrise, which means that a few minutes before the alarm goes off, it shines some light whose brightness increases over time.

The alarm clock is built around a MSP430G2553 microcontroller compatible with the MSP430 Launchpad from Texas Instrument.

It features a DCF77 module which sets the clock automatically through radio waves.

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