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 Robotics / Handy Board / *4544 (-5)
  Re: Basic Sensor Question
 
It sounds like you've got the switch between +5V and GND. What pins exactly are you connecting to? The sensor connections Are like this: _ _ _ G + I N 5 N D V P You dont need a resistor to use a microswitch. The HB inputs have pull-up resistors, so (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
 
  RE: RTOS for HB?
 
There is the Micro Kernel from Jean J. Labrosse. It's a free kernel readily available, also for the 68hc11. I have his book but haven't implemented the full kernel yet, only parts of it. Its well written and cheap. Look at: (URL) jaron paludanus (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
 
  Basic Sensor Question
 
I just got my HB and am trying to test the sensor input, the docs say to hook up the microswitch between signal and ground, when I do this and close the switch my hb resets (because I just shorted it out...). I tried putting a resistor (330 ohm) in (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
 
  Re: Questions about sensors
 
Eric Noyau wrote: <snip> (...) The results you get from a reflective IR sensor will vary quite a lot depending on surface color, roughness, angle of incidence, electrical noise, etc. My IR sensors were not good for much of anything besides encoders, (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
 
  RTOS for HB?
 
To me is seems, that multitasking futures of IC is very insufficient. Is exist any small, inexpensive RTOS (real time operation system), that is tested for HB? I'm hear that RTXC, RTEK or MCX11 may be that RTOS. Is anybody tested some RTOS with HB? (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)


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