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Subject: 
Help debugging.
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Sun, 2 Jun 1996 06:54:05 GMT
Original-From: 
cristobal baray <CBARAY@CS.spamcakeINDIANA.EDU>
Viewed: 
1621 times
  
Well, I didn't get far without running into a bug.

In the interface/charger serial circuit, I get 17 volts at pin 2 and I get
0 volts on pin 6.  The MAX232 chip is oriented to the right, and all the
capacitors have their negative stripes on the left - matched up to the
square pads and the picture of the board on the web...The test for the
first section checked out fine.

Any suggestions?

Thanks much - cris.
cbaray@cs.indiana.edu



Message has 1 Reply:
  Re: Help debugging.
 
(...) 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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