Hi, A few students here at Penn State Abington successfully controlled the Zig-Zag using a 6270 board with both a 6volt and 9.6 volt supply using a .5 or 1 ohm series resistor. If I remember correctly the current is in the 2 amp range when loaded. (...) (27 years ago, 4-Aug-97, to lugnet.robotics.handyboard)
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