"Homer" is one of my first completed Droids.
Built from common items and powered by a LynxMotion tracked chassis modified with upgraded 12v planetary gear motors and a bot board with an AtomPro.
"Homer" took me about 3 months from project start to finish.
"Homer" has been to the Children's Museum and Johnson Space Center for appearances.
I did not keep accurate records, but my best guess is aside from the drive system and robot brain, the rest of "Homer" cost less than $100. However, I opted for a huge battery to keep him powered through events, a 12v 13AH Nimh, and that battery alone was pricey. Find all sorts of batteries at BatterySpace.com.
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