Bộ Hộp Số Hành Tinh (Planetary Gearbox)

No supports required.

Use M3 screws and nuts.

Designed for a 5V stepper motor.

code 

#include <Stepper.h>

const int stepsPerRevolution = 2048;

// IN1, IN3, IN2, IN4

Stepper myStepper(stepsPerRevolution, 26, 14, 27, 12);

void setup() {

myStepper.setSpeed(20);

void loop() {

myStepper.step(1);

}