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Cheap Home Made Geiger Counter Using a Disposable Camera Flash Unit

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Published on Mar 22, 2011

Visit www.MadScientistHut.com/wordpress for details. In this video I demonstrate using a surplus russian SBM20 Geiger tube (from Ebay) powered from a hacked disposable camera flash unit. The output is then coupled to a oneshot pulse stretcher and audio amplifier. This whole setup costs less than 30 dollars to make.

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