I have just completed my DoodleBot. It has been made from a kit that Scott gave me, with the suggestion that perhaps a junk version could be made for one of the older projects. It only took around 40 mins to assemble, and that was with proper parts including screws and such, therefore a junk version could probably be assembled in 20 mins or less.
The DoodleBot works through an unbalanced motor. This means that a weight is attached to the motor sprew, and when it spins, the weight spins also, making the motor and whatever it is attached to vibrate due to centrifugal force. Clever eh?
Anyways, there are three pens, used as legs, and then when The DoodleBot vibrates and moves, itdraws pretty patterns on the paper it is standing on (Or whatever else it may be resting on!)
After building this little gem, I think it is very possible to create a JunkBot version of this product. All of the parts are relatively simple, and with a few modifications I think this could be a great project for the 15-18's group, as not only can they build and try the JunkBot, but once they are done, they can personalize it with paintwork and accessories ect., for those who are more artistic than mechanically minded.
The Mechanical Workings of the DoodleBot
DoodleBot's first Mission!
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