Shonkbot is an attempt at a very cheap educational/drawing robot made entirely from bits you can buy.

Matt, Anton and I schemed it up on the way back from Maker Faire UK 2015. It was a long drive. We had a lot of time for scheming.

Code for this drawing is on github

Parts for this version amount to about 7:
One old CD
Two 28BYJ-48 steppers with driver boards from ebay
Cheap Arduino Nano clone (could be replaced with a Shrimping setup for more cheapness)
3 x AA battery box with a switch
Cable ties for casters
wheels (with bore drilled out to 5mm)
and tyres
Gluegun to stick it all together

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