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  Config 0C / 0D
 
Hi, I know this is an old chestnut but believe me I have searched the mail archive and nothing quite matches what I'm seeing. I have a handyboard which I made and which seems to work perfectly. However, I have to download (using hbdl) with the (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
 
  Re: pcode downloading
 
(...) OK, well I think it is isolated at the pseudo-MAX232 chip. Did you get the +10 v power supply pin on the p-MAX ok? It's at pin 2. Measure it w/r/t ground and you should get +10v. Before you order a real Maxim, check the polarity of your (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
 
  Re: pcode downloading
 
(...) : (...) I get -8.9v when its not jumped. When jumped I get some floating values in the mV range. I checked all of the solder joints. Changed power supplies. Removed and reseated the chip. Checked power and continuity at various points around (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
 
  Re: pcode downloading
 
Here is the relevant part of the test instructions: Finally, the MAX232's ability to transmit data to the host computer is tested. Again using pin 7 of J9 as a ground reference, measure the voltage at pin 3 of J9. This is the MAX232's serial output. (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
 
  Coparison of Sensors
 
Hi, I know this is probably a stupid question to you, but I wrote a program to compare sensors. But it doesn't seem to work. Can anyone help?? Here it is (28 years ago, 2-Jan-97, to lugnet.robotics.handyboard)


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