Motorbot uses the armature coil of a burned out fan assembly as part of
the inverter circuit Magnets are used to attach power leads to
the battery.
Surface mount white leds are the eyes.
A cds cell on top of the head will allow Motorbot to come on only at
night.
A washer is soldered to the board and used to hold the magnet for the
negative terminal.
The parts on the PC board are part of the old motor circuit and are not
used for the artbot.
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the other Joule Thiefs