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Old HP48g Calculator + Arduino Decimila + Laser pointer + Light sensor: Cheap Laser Object Counter

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Published on Jan 22, 2009

http://www.ried.cl

Counting boxes on a miniature "production line" with a cheap laser pointer and a light sensor.

For more info about the HP48 connection with arduino (working as a complementary remote command device) take a look in http://groups.google.cl/group/comp.sy... (I had to create a simply translator to virtually support the HP-Arduino I/O)

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