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Author Topic: Switch matrix prob  (Read 3288 times)

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Marty Machine

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Re: Switch matrix prob
« Reply #15 on: March 14, 2009, 02:19:01 PM »
You just confirmed a problem then....

Quote from: Marty Machine on March 14, 2009, 02:17:34 PM
Inputs (-ve) to the LM339 are pins 4,6,8,10 and should be connected to 5v.

Good Luck,
MM.
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