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 Robotics / Handy Board / *1954 (-5)
  Re: line following
 
(...) As have I, so when I wanted to build a line-follower, I used a couple of IR detectors in concert with a pair of IR emitting diodes. They were arranged on the nose of the robot as follows: 1 2 3 4 \ | | / Where 1&4 are the IR emitters and 2&3 (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
 
  variables
 
Can you access variables declared in a binary progam from a different binay program? i.e. can "speeda" (pcode.asm) be accessed by xxxxxx.asm? Do you have to know the actual address where "speeda" is stored or can you just use "speeda" inside (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
 
  Re: Battery life
 
To avoid that battery problem, I have mine plugged in about 20 hrs/day and the other 4 hrs the serial interface is plugged in. I've had problems in the past where I've presented a robot that couldn't work because the batteries died & there were no (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
 
  Re: line following
 
(...) <snip> (...) <snip> In my rather limited experience with reflective photosensors, I've found that black on white is not always the best of choices -- the white can come up as different numbers depending on how clean/dirty the floor is and the (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
 
  Re: Battery life
 
The best answer would be to take the mAH of the battery, say X=1500 mAH. Find out the current drawn by the RAM say I=5mA. Divide X by I and you get the number of hours of battery life. This is ofcourse assuming that you have a fully charged battery (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)


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