| Shield Function | Arduino Pin | |----------------|-------------| | direction | Digital 12 | | Motor A PWM speed | Digital 3 | | Motor B direction | Digital 13 | | Motor B PWM speed | Digital 11 | | Servo 1 signal | Digital 9 | | Servo 2 signal | Digital 10 | | Enable A (jumper) | Digital 6 (if removed, else always on) | | Enable B (jumper) | Digital 5 (if removed, else always on) | | External power (VS) | Screw terminal “EXT_PWR” |

Open Arduino IDE > Sketch > Include Library > Manage Libraries > Search for "Adafruit Motor Shield" (V1) and install.

#include <AFMotor.h>