{"ref":null,"ref_type":"repository","master_branch":"master","description":"  #include <Stepper.h>   int in1Pin = 12; int in2Pin = 11; int in3Pin = 10; int in4Pin = 9;   Stepper motor(512, in1Pin, in2Pin, in3Pin, in4Pin);     void setup() {   pinMode(in1Pin, OUTPUT);   pinMode(in2Pin, OUTPUT);   pinMode(in3Pin, OUTPUT);   pinMode(in4Pin, OUTPUT);      Serial.begin(9600);   motor.setSpeed(20); }   void loop() {   if (Serial.available())   {     int steps = Serial.parseInt();     motor.step(steps);   } }","pusher_type":"user"}