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 Robotics / Handy Board / *1939 (-5)
  Expansion interface.
 
I have a question about the expansion interface. If it is decided upon the 1Amp 9V transistors...would it be a problem for the HB's 1Amp Voltage regulator or the fuse? (27 years ago, 15-Apr-97, to lugnet.robotics.handyboard)
 
  line following
 
Hey all, I'm looking for some ideas on sensors and algorithms for a line following robot (black tape on white floor). If any of you have had some luck at this or know where I can find some info please let me know. Thanks Rajesh (27 years ago, 15-Apr-97, to lugnet.robotics.handyboard)
 
  Re: motor routines in lib_hb.c
 
If I'm not mistaken, (someone please corect) those speeds represent the actual shape of the waveform. Let's list some details. 1. Each bit 0 or 1 represents 0V or 9.6V. (or whatever external source) 2. Each bit represents the above voltage for a (...) (27 years ago, 15-Apr-97, to lugnet.robotics.handyboard)
 
  Re: motor routines in lib_hb.c
 
(...) Think of them as repeating binary waveforms (they are clocked out the 'enable' pin of the motor chip at 1Khz) so on an oscilloscope speed 2 (third entry) would appear.. time -> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 (in mS) Vmotor : +--+ +--+ (...) (27 years ago, 15-Apr-97, to lugnet.robotics.handyboard)
 
  Re: motor routines in lib_hb.c
 
(...) These 8 bit masks are the most symmetrical way to to organize speeds of 0 through 7/7. You could rewrite the code to accept a byte and use that as the mask, but unless you think it would save space, it's a waste of time. The miniboard routines (...) (27 years ago, 14-Apr-97, to lugnet.robotics.handyboard)


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