The Pololu 2130 is a highly integrated brushed DC motor driver with a built-in microcontroller, making it ideal for use as a stand-alone motor driver or as part of a larger system. It operates from 6V to 30V and can deliver up to 9A of output current, and its built-in microcontroller has a number of convenient features that make it easy to use. The 2130 has a variety of control inputs, including PWM, I2C, SPI, and analog inputs. It is also compatible with a wide range of sensors and can be used with a variety of power sources, including batteries and DC power supplies. The 2130 is designed to simplify the process of controlling brushed DC motors, making it an ideal solution for many applications.