The Stepper Motor Expansion Shield is all-around to support several Steppers/Motors/Servos at the same time and supports multi plate lamination, which is fit for players to diy robots, smart cars and mechanical cars and so forth. It uses easy control connector of I2C which is compatible with 3.3v/5v and also suitable for other expansion boards on market. The I2C connector is also available with all kinds of sensors to expand various applications and do the data input or output through raspberry pi I2C wire.
4 roads Rudder interface：#0，#1，#14，#15
4 roads Gear motor interface：M1,M2,M3,M4
2 roads stepping motor：M1+M2,M3+M4
Supports 2 road 6V~12V stepping motor
Supports 4 roads 6V~12V Gear motor
Supports 16 roads PWM Channel output
Single power supply for normal supply voltage range of 5v to 12v
Shares 12 bit resolution and could adjust PWM up to 1.6KHz
Supports Infrared receiving function for handy Infrared control
Supports 4 roads Rudder interface,3P standard interface for convenient connection of 5V rudder and LED
One I2C connector which is compatible with 3.3v/5v and also suitable for other Arduino and expansion boards on market
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.
Works best with Raspberry Pi model A+, B+, or Pi 2;
I received it two weeks ago , for busy yesterday I eventually spared some time to make a smart car for my son to play. I had to say that it is really powerful to work with Raspberry Pi B+ (Posted on 10/12/2016)