DFRobot Dual Bipolar Stepper Motor Controller for Arduino

The Dual Bipolar Stepper Motor Controller for Arduino is compatible with the Arduino UNO R3, and get direct support with Xbee and Xbee form factor Wi-Fi, Bluetooth and RF modules. The controller is shield compatible and has pinout for XBee (and compatible) modules. Easily control 2 stepper motors with only 6 digital I/Os; Five different microstep resolutions (down to 1/16-step); 10 channel digital I/O & 6 channel Analog I/O addition; Input voltage: 8.2-45V DC