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 Robotics / Handy Board / *4939 (-5)
  Is my serial interface shot?
 
I get the message "Board disconnected or not responding" when I try to run ic. (The board was working fine before).So I tried to re load the pcode, but I have run into a slight problem: With the serial interface disconnected, I hold down the stop (...) (26 years ago, 11-Dec-98, to lugnet.robotics.handyboard)
 
  Re: How to get digital outputs from the handyboard???...???
 
(...) First, to enable the four SPI pins D2 through D5 as digital outputs, make sure you do a bit_set( 0x1009, 0x3C ). (In the sonar.c program, for example, bit_set( 0x1009, 0x30 ) seems to only enable two of the pins--not all four). I think poke (...) (26 years ago, 11-Dec-98, to lugnet.robotics.handyboard)
 
  RE: Suppliers and rf link
 
Yeah, BGMicro is good, they seem to have a neverending supply of used 68HC11A1FN chips for $6.95. If you want new, try: Future/Active voice 1-800-655-0006 fax 1-800-645-2953 (no internet address) 41 Main St. Bolton, MA 01740 USA They list the chips (...) (26 years ago, 11-Dec-98, to lugnet.robotics.handyboard)
 
  RE: Suppliers and rf link
 
www.bgmicro.com Nice people, good service (they sent me spec sheets once without me ordering!) HC11's for about $6.95 or so, and they have almost every part you'll need for a HB, miniboard or Rug Warrior board. (MAX233 chips, 32k RAM, crystals, (...) (26 years ago, 11-Dec-98, to lugnet.robotics.handyboard)
 
  RE: Suppliers and rf link
 
(...) As someone mentioned earlier (and I can attest to the accuracy) www.bgmicro.com sells the 68HC11 for something like $6 to $8. I bought two and they arrived in only a few days. john calhoun- (26 years ago, 11-Dec-98, to lugnet.robotics.handyboard)


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