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Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
DIY Sonic Grenade

Posted September 25, 2010 by Chris

Nerf wars not enough? How about adding sonic grenades! This project write-up shows you how to mod some 110db personal alarms with a delay circuit like real grenades. Take a look at this ear piercing project.

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