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 Robotics / Handy Board / *7114 (-10)
  HB died - help needed
 
Hi HBoarders! I have some troubles with my HB. I have set it up together with the expansion board, and it worked properly and very fine. Then once, unfortunately, the LCD, connected to the expansion board, touched one of the five motor-power diodes, (...) (25 years ago, 28-Dec-99, to lugnet.robotics.handyboard)
 
  I have a handy board and a memory problem
 
I have installed the memory and am on the test where i try to download a program and start up the handy board..... (have it calculate 1+2;) The pcode and everything install properly but when i cycle the power, i get nothing, no beep, and the LCD is (...) (25 years ago, 28-Dec-99, to lugnet.robotics.handyboard)
 
  Interactive C and P-code
 
Hi all, I have just startded using a Handy Board. In the technical specification it says "IC compiles into P-code, which is then interpreted by the run-time machine language" 1. What exactly is p-code. i mean the format etc.? 2. Is C and assembler (...) (25 years ago, 28-Dec-99, to lugnet.robotics.handyboard)
 
  Handy Board Kits ??
 
To all you people out in robo land was wondering if any of you know were to find some cheap handy board kits? Ive got PCBs Im just looking for 3 complete sets of parts , or if PCBs are included thats fine as well. thanx in advance Roboman- PS; Do (...) (25 years ago, 27-Dec-99, to lugnet.robotics.handyboard)
 
  Re: speed control bytes
 
Fram my reading of the pcode interpreter source, you only get the option of doing all motors or none by default. It doesn't look like it would be too difficult to modify the pcode to only do the first two motors. You can get the source at: (...) (25 years ago, 22-Dec-99, to lugnet.robotics.handyboard)
 
  Re: unknown error
 
One obvious thing is that you must declare your local variables at the start of the function before any statements. Gary Livick (...) (25 years ago, 21-Dec-99, to lugnet.robotics.handyboard)
 
  unknown error
 
i've IC version 2.82. whenever i load the program below, it keeps giving me an error on the line which 'INT SPEED_TABLE[]' is declared. what's wrong?? void main() { int i; start_press(); int speed_table[]= {0b00000000, (...) (25 years ago, 21-Dec-99, to lugnet.robotics.handyboard)
 
  speed control bytes
 
i understand that when the PWM is off, the mask: 0b11111111 switches all motor ports on in the forward direction. but if the PWM is on, what bit string correspond to what speed? is it possible to have motor ports 0 and 1 controlled using PWM while (...) (25 years ago, 21-Dec-99, to lugnet.robotics.handyboard)
 
  pneumatic info
 
Does anyone know of a good web site or book on basic design or general information about pneumatic systems. Thanks (25 years ago, 21-Dec-99, to lugnet.robotics.handyboard)
 
  system_pwm_off
 
The 'system_pwm_off' function comes standard with the 'lib_hb.c' file. this function switches the PWM off for all the motor ports. is it possible to turn the pwm off for a specific motor port while the others are able to run with PWM? i've a DC (...) (25 years ago, 21-Dec-99, to lugnet.robotics.handyboard)


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