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 Robotics / Handy Board / *7574 (-5)
  Re: sharp gp2d12 infrared ranging sensors (fwd)
 
hi has anyone successfully used these with the handyboard? i know that we have to cut the lead from the 47k pull down resistor for the sensors to work, but once doing that (we confirmed that it was cut through an ohmmeter) it still doesn't read (...) (24 years ago, 4-Apr-00, to lugnet.robotics.handyboard)
 
  Gleason Research
 
We haven't been able to get into contact with Gleason, they're not answering our eMails. Has anyone else had a problem? (24 years ago, 3-Apr-00, to lugnet.robotics.handyboard)
 
  array sizes
 
Hi Does anyone know whether the array sizes in ic are limited in any way other than the physical memory constraints? thanks Ross (24 years ago, 3-Apr-00, to lugnet.robotics.handyboard)
 
  IR decode disabling
 
Hi everybody, I try to disable the IR decoding, as it is written in lib_hb.c that it take 11% of CPU time, and that it is default ON. So I add the line at begin of main : bit_clear(0x39, 0b00000010); to disable it. I noticed no improvement, but when (...) (24 years ago, 3-Apr-00, to lugnet.robotics.handyboard)
 
  Re: Non-volatile memory storage?
 
(...) Hi, Brad, You may use one non-volatile memory to subsitute HY62256 directly. Our company has 32k non-volatile ram AS62256. Ellen Grandar Co. Shanghai, P.R.China (...) (24 years ago, 3-Apr-00, to lugnet.robotics.handyboard)


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