costing
costing table for the robot hardware.
item cost
picaxe microcontroller $free ( donated by previous student)
twin gearbox $22
sensors, emitters $15
wiring +circuit boards $25
batterys $8
wheels $free (offcuts from work turned on lathe)
castor $free (made at home)
resitors, capicitors $10
assorted extras $20
total $100