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 an easy control connector of I2C which is compatible with 3.3v/5v and also suitable for other expansion boards on the 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.
Working Voltage: 5-12V
Supports 16 roads PWM Channel output
Shares 12 bit resolution and could adjust PWM up to 1.6KHz
Supports 2 road 6V~12V stepping motor
Supports 4 roads 6V~12V Gear motor
Supports 4 roads Rudder interface,3P standard interface for convenient connection of 5V rudder and LED
Works best with Raspberry Pi model A+, B+, or Pi 2