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Geiger counter (DIY) based on: (2008.04.07:1)

http://www.galacticelectronics.com/:.HTML

And using a ROBOTRON 70 013 Geiger tube.

TODO: serial interface for RNG based on the design at:

http://www.fourmilab.ch/hotbits/hardware.html

Further research:

http://www.cosmicrays.org/muon-detector.php

http://hometown.aol.com/redmo/geiger.html

http://www.kronjaeger.com/hv/rad/det/geiger/index.html

http://www.techlib.com/science/geiger.html

http://www.teralab.co.uk/Electronics/Geiger/Geiger_Page1.htm

http://www.imagesco.com/articles/geiger/01.html