HW-130 Motor Control Shield is a high-power driver board for Arduino, based on the L293D dual H-bridge

Up to 4 bi-directional DC motors with individual 8-bit speed selection. Stepper Motors: hw 130 motor control shield for arduino datasheet

void setup() pinMode(4, OUTPUT); // IN1 pinMode(5, OUTPUT); // IN2 pinMode(6, OUTPUT); // IN3 pinMode(7, OUTPUT); // IN4 pinMode(ENA, OUTPUT); pinMode(ENB, OUTPUT); HW-130 Motor Control Shield is a high-power driver

Here is a comprehensive guide and datasheet summary for the HW-130 Motor Control Shield. // IN1 pinMode(5