140 db alarm clock hack

This silly little video caught our attention. It is an alarm clock, hacked with two amazingly loud car horns. They are using a laptop power brick to push the two external car horns. The horns are triggered by a relay wired to the internal speaker of the alarm clock. This is a super quick project that could be done, not only to help yourself, but it is the perfect amount of effort for a prank. We bet you guys could probably wire one of these up and hide the horns in only a few minutes.  If you are having problems waking up, you might also want to check out some of the other alarm hacks we’ve seen.

[via gizmodo]

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