I found this deal on E-bay and thought I'd share. You can fit up to 4 of them in the bottom drawer of the Omnibot2000.
Troy
USA
Asked
— Edited
1 Participant
Dual Hbridge
— Two-channel Dual H-Bridge movement panel to control two DC motors (on/off) for forward, reverse, left, right via EZ-B digital ports; no PWM speed.
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Cool. I've been looking at going with Li-on batteries for certain applications.