#include <Stepper.h>

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
// for your motor

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 12, 14, 27, 26);

void setup() {
  // set the speed at 60 rpm:
  myStepper.setSpeed(30);
  // initialize the serial port:
  Serial.begin(115200);
}

void loop() {
  // step one revolution  in one direction:
  Serial.println("Doite");
  myStepper.step(stepsPerRevolution);
  delay(500);

  // step one revolution in the other direction:
  Serial.println("Gauche");
  myStepper.step(-stepsPerRevolution);
  delay(500);
}
esp:VIN
esp:GND.2
esp:D13
esp:D12
esp:D14
esp:D27
esp:D26
esp:D25
esp:D33
esp:D32
esp:D35
esp:D34
esp:VN
esp:VP
esp:EN
esp:3V3
esp:GND.1
esp:D15
esp:D2
esp:D4
esp:RX2
esp:TX2
esp:D5
esp:D18
esp:D19
esp:D21
esp:RX0
esp:TX0
esp:D22
esp:D23
stepper1:A-
stepper1:A+
stepper1:B+
stepper1:B-