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Full function Robot Expansion Board for Raspberry Pi 2B / B+
Stepper motors are great for (semi-)precise control£¬ perfect for many robot and CNC projects. This HAT supports up to 2 stepper motors. The python library works identically for bi-polar and uni-polar motors Running a stepper is a little more intricate than running a DC motor but its still very easy Download link pan.baidu.com/s/1c0dUDFy Function: • 4 H-Bridges:provides 1.2A per bridge (3A peak) with thermal shutdown protection£¬ internal kickback protection diodes. Can run motors on 5VDC to 12VDC. • 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. • Up to 4 Channel 12-bit PWM/Servo(5V) • OneInfrared Receiver(GPIO26) • Big terminal block connectors to easily hook up wires (18-26AWG) and power • Polarity protected 2-pin terminal block and jumper to connect external 5-12VDC power • Works best with Raspberry Pi model A+£¬ B+£¬ or Pi 2;