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Here's a closeup of the electronics. I'm using the
"Maxi Dual 10A H-Bridge"
from the "Robot Store" (which doesn't seem to exist anymore), and
the MegaBitty purchased from the
"Mark III Robot Store".
The MegaBitty includes a couple of H-Bridge chips, but they're only rated
for 500 ma, so I didn't install them and just soldered wires from the
appropriate pads.
The arrangement of the connectors on the MegaBitty wasn't convenient for
all of the sensors that I had, so I created a little breakout area on
a Radio Shack perfoard to rearrange the connectors the way I wanted them.
The MegaBitty has a 9v battery dedicated to it, and the motors have 10
NiMH AA cells.
Bigger...
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