Features:

to provide dedicated PS2 wireless controller interface, and can be completely plugged into the arduino uno development board
through I2C and arduino communication, can be cascaded cascade
 can be accessed by six steering gear, two of which are directly controlled by Arduino, the other four driven by the PWM driver.
can be connected to four DC brush motor or two 4-wire stepper motor.
the use of TB6612FNG motor driver chip, 1.2A drive capability, peak 3.2A, spike L298N module
with complete sample tutorial and code base.
support for ultrasonic sensor interface and Bluetooth module interface.