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| I had considered doing -100 to 100 PWM in hardware. I even went so far as to draw up the schematics for it... Then I read the HC11 manual, and realized that instead of my "little" circuit, I could just use another HC11.. The internal timer/counters (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
| | | | | Re: More Motor Speeds
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| it's harder than you might expect, b/c the PWM routine is 'hard-wired" into the pcode file. basically, you have to make the changes in pcode.asm, and reassemble the pcode_hb.s19 file. -fred In your message you said: (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
| | | | | More Motor Speeds
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| I want to increase the resolution of the motor driver routines provided by Interactive C, so that there are more than 7 speeds. Using the method of generating PWM signals in the Mobile Robots Book, this seems easy. However looking at the primitive (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
| | | | | Re: IR collision avoidance
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| (...) I'm sending this to other members of our robotics team because we JUST mastered wall-hugging IR this week. They may have other things to add. (...) Here's the pseudo code: Start Any bumpers hit? YES - Execute the back up, turn 90 degrees left (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
| | | | | motor voltages
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| Hello again, Thanks to all who responded to my query regarding motor chips on the Mini Board. Now that I have the more capable motor drivers installed, I want to lower the voltage that my motors see. They are getting straight 9V from the motor chips (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
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