
[nickjohnson] sent in what might just be the most incredibly evil alarm clock ever. It's a fairly simple pic project with a PIC, LCD and input buttons. When the alarm goes off, you have to solve math problems before it will shut off. If you answer correctly, you make it stop. In my case, I'd probably add a mute button that can be held down while you do the math. Source, schematics and pcb layout are provided.


1. Sweet. I might do one...
I'd make that mute button timed, so that you have to solve it within 10 seconds or so and if you don't, it un-mutes permanently (or gives you a second chance and then un-mutes permanently)
Posted at 11:23PM on Feb 18th 2008 by dioxide