[ARCHIVED THREAD] - Basic alarm

Posted: 2/13/2012 10:36:29 AM EDT

http://www.mcmelectronics.com/product/DISTRIBUTED-BY-MCM-SR00036-/SR00036

You could probably build this circuit yourself if you know anything about electronics, but I just thought it was neat and simple for such a small module. Yeah, there's some drawbacks, but if all you're trying to do is power some flashing lights and sirens, it would kick butt.