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Author Topic: solenoid board woes....help needed  (Read 4287 times)

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Offline Sinbad79

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Re: solenoid board woes....help needed
« on: May 29, 2014, 07:55:43 PM »
I have a feeling the issues lie with U2 on the driver board, pins 19-23 dont measure out the same resistance as another known good board.
Would this make sense? What is the purpose of the 74hc154p?
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