4 H-Bridges: chipset TB6612 provides 1.2A per bridge with a thermal shutdown protection, internal kickback protection diodes. Can run on 4.5VDC to 13.5VDC engines.
Up to 4 bi-directional DC motors with speed selection of individual 8-bit
Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, interlaced or micro-stepping.
Polarity protected by two pins and jumper for connecting an external power supply 5-12VDC
Works best with Raspberry Pi Model A , B , or P 2, but can be used with a Model A or B via a header 2×13