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Last Updated on:
Monday, October 03, 2011 06:08 PM

Circuits Designed by Dave Johnson, P.E. :
  • Poor Man’s Digital Counter Using Pedometer
    There are many occasions when you may want to count something electronically.  Perhaps it is car traffic on a street or items moving down an assembly line.  It might be the number of times a machine is activated or maybe you want to count the number of people entering doorway.  Commercial counting modules do exist but if you want to use something cheaper, you can modify a pedometer to do much the same thing....

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