[video] Worlds Loudest Alarm Clock

[mattx]

This gives me an idea....

 

[ame=http://www.youtube.com/watch?v=8zEH5GxPNO8]YouTube - World's Loudest Alarm Clock![/ame]

[Michael]

I could do with one of those

[DaveMurphy]

I did something along these lines but with a spare fire alarm sounder that was... let's just say it didn't come off the wall... it was in a spare box... connected it to a 12v adaptor and plugged it into a timer and set it off so it goes off at 7am