CDR(Compact Disc Robot) UPDATE - Video

Posted on 26/11/2010 by idoneous
Modified on: 13/09/2018
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Hello LMRtians!  I finally got my bootloader code working.  I got my package in the mail from Sparkfun this morning.  I added a ball caster to the rear for better motion.  I used the bootloader to change the pins for the motors and speaker ( so I could use the bootloader ).  I adjusted the motor times for the new CD base.  I'm really happy with the turn times now.  I'm getting pretty close to 90 degree turns and 180 degree uturns. I still need to add a reset button ...


CDR(Compact Disc Robot) UPDATE - Video

Hello LMRtians!  I finally got my bootloader code working.  I got my package in the mail from Sparkfun this morning.  I added a ball caster to the rear for better motion.  I used the bootloader to change the pins for the motors and speaker ( so I could use the bootloader ).  I adjusted the motor times for the new CD base.  I'm really happy with the turn times now.  I'm getting pretty close to 90 degree turns and 180 degree uturns.

I still need to add a reset button to the board.  I'm pretty unsatisfied with the delay in reading the ultrasound from the eyes.  CDR gets too close to blocks all too often.  I'm thinking of rewriting the whole thing and moving to the Sharp IR eyes.  

Nevertheless, I hope the video links OK.  I've been promising to do one for a while now.

Silly thing is, I'm more happy about the success of the bootloader than anything.  I reprogrammed the bot in circuit faster than my regular programmer!  in 733+, I'd guess I'd say \/\/()()+!

Explores via Ultrasound, Plays Zelda's Lullaby ( kinda ) when stuck

  • Actuators / output devices: Solarbotics GM9 gear motors X 2
  • Control method: autonomous
  • CPU: Pic 16F88
  • Operating system: Programmed on Linux OpenSUsE 11.2 with gpasm and picp
  • Power source: 9V reg. to 5V for mainboard; 6V for motors
  • Programming language: gpasm
  • Sensors / input devices: Ping))) Ultra Sound
  • Target environment: indoor, smooth surfaces
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