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H-Bridges: TB6612 chipset provides 1.2A per bridge with thermal shutdown protection, internal kickback protection diodes. ^^ Up to 4 bi-directional DC motors with individual 8-bit speed selection (so, about 0.5 % resolution) ^^ Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, interleaved or micro-stepping. ^^ Big terminal block connectors to easily hook up wires (18-26AWG) and power