Subject:
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Re: Help debugging.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 2 Jun 1996 14:31:10 GMT
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Original-From:
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cristobal baray <CBARAY@CS.INDIANAspamcake.EDU>
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Viewed:
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1728 times
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Okay - thanks - you were right - I mis-read the ground location and used
pin 7 of the MAX232 instead of using pin 7 of J9. The chip is getting 5
volt range, but the negative voltages are in the mid-8 range - is
this something to worry about?
thanks again - cris.
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Help debugging.
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| (...) which pin were you using as ground reference? Maybe redo your test using pin 15 of the Maxim as ground. First check the Maxim is getting good power and ground (pin 15 is ground, pin 16 is +5). Then re-check the voltages on pin 2 (should be +9 (...) (28 years ago, 2-Jun-96, to lugnet.robotics.handyboard)
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