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Reader Shaun Crampton sent us the specs for the second prototype of his ArduRoller:

  • Chassis: laser cut 2.7mm bamboo ply (Ponoko); various M2.5 machine screws from Amazon; Instamorph low-melt-point thermoplastic to fill in the gaps.
  • Brains: 1 x Arduino Uno
  • Motor driver: 1 x Sparkfun Ardumoto
  • Motors: Sparkfun 2 x 24:1 gearmotor
  • Wheels: 1 set Sparkfun 70mm — repaired with Instamorph after they cracked around the axle
  • Gyro: 1 x ADXRS613 (Sparkfun breakout) mounted at the axis of rotation
  • Accelerometer: 1 x ADXL203CE (Sparkfun breakout) mounted at the axis of rotation
  • Batteries: 2 x 3.7V Li-poly 850MAh (Sparkfun)

There’s video here, and code and chassis files on GitHub. [Thanks, Shaun!]

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Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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Comments

  1. Ryan says:

    I am attempting to make a similar robot to the one you describe here. I tried copying and pasting your code into Arduino IDE and this error came up when I tried compiling it “sketch_nov06b.ino:3:22: error: WProgram.h: No such file or directory
    sketch_nov06b.ino:4:28: error: cppboilerplate.h: No such file or directory”
    any ideas as to what I need to do to fix this?

    1. Matti Virta says:

      same proplem for me i try test thats code and make Aroller :( have ide ver,105 and alltime error compiler and no can adding cppboiler h file,many error alltime error stray 302 and many other..
      But wprogram i understand can change wprogram.h delete and adding Arduino.h and now error thats h library. i understand old wprogram have now new ide arduino.h file. what ilooking at net.

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