[Product Information]

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4 H-Bridges: TB6612 chipset provides 1.2A per bridge with thermal shutdown protection， internal kickback protection diodes. Can run motors on 4.5VDC to 13.5VDC
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
Works best with Raspberry Pi model A+， B+， or Pi 2， but can be used with a model A or B if you purchase a 2x13 extra-tall header and solder that instead of the 2x20