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 Robotics / Handy Board / 8547
8546  |  8548
Subject: 
Re: JRM code and Reset
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Thu, 3 Jan 2002 01:37:40 GMT
Viewed: 
2070 times
  
Matt,

The only mod I've made to my HB is to cut the motor power supply "+" trace
and use a separate motor power supply.  See my post/response to Dan for my
explanation of that.

After reading your START button question, I triple checked.  I don't believe
the problem is there because I can use the " start_button " command and read
the button.  I get a 0 (zero) when not pressed and a 1 (one) when pressed.
If the START button were 'stuck' in the pressed position, I should be unable
to ever read the 0 (zero) state.  You agree?

Ohhh, no, you can't be out of ideas, my HB is still sick.  Running out of
ideas is not allowed!  So far, curses, incantations, spell casting, and
threats have failed.  I'm thinking about a reward.....!

Thanks,

John





In lugnet.robotics.handyboard, Matthew D. Stock writes:
Since it seems like everything else has been checked, I have one other
suggestion after looking at my pcode source.  If the "start" button on the
HB is pressed during power on, the autostart will be disabled.  Has your
hardware been hacked at all, where possibly the button is pressed?

If that's not it, I'm out of ideas.
-Matt



Message has 1 Reply:
  main() Reset -- THE SAGA ENDS !! ---
 
Fellow Lugnuts, Doe anyone want to purchase a 74HC244 (U5) that "kinda works" ? YES, YES, believe it or not, U5 was my problem !! The mystery is not totally solved, because even using both a logic probe and an o-scope, I cannot see any indication (...) (23 years ago, 3-Jan-02, to lugnet.robotics.handyboard)

Message is in Reply To:
  Re: JRM code and Reset
 
Since it seems like everything else has been checked, I have one other suggestion after looking at my pcode source. If the "start" button on the HB is pressed during power on, the autostart will be disabled. Has your hardware been hacked at all, (...) (23 years ago, 2-Jan-02, to lugnet.robotics.handyboard)

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