//A모터 IN1-> - IN2-> + , B모터 IN1-> + IN2-> -
int STBY = 7; 
int PWMA = 11; 
int AIN1 = 13; 
int AIN2 = 12; 
int PWMB = 10; 
int BIN1 = 8; 
int BIN2 = 9;
 
void setup(){
  pinMode(PWMA, OUTPUT);
  pinMode(AIN1, OUTPUT);
  pinMode(AIN2, OUTPUT);
  pinMode(PWMB, OUTPUT);
  pinMode(BIN1, OUTPUT);
  pinMode(BIN2, OUTPUT);
  pinMode(STBY, OUTPUT);
}
 
void loop(){
  digitalWrite(STBY, HIGH); //작동
  
  //A모터 CCW회전
  digitalWrite(AIN1, LOW);
  digitalWrite(AIN2, HIGH);
  analogWrite(PWMA, 200);
  //B모터 CW회전
  digitalWrite(BIN1, LOW);
  digitalWrite(BIN2, HIGH);
  analogWrite(PWMB, 200);
  
  delay(2000);
  digitalWrite(STBY, LOW); //멈춤
  delay(1000);
 
  digitalWrite(STBY, HIGH); //작동
  
  //A모터 CW회전
  digitalWrite(AIN1, HIGH);
  digitalWrite(AIN2, LOW);
  analogWrite(PWMA, 100);
  //B모터 CCW회전
  digitalWrite(BIN1, HIGH);
  digitalWrite(BIN2, LOW);
  analogWrite(PWMB, 100);
 
  delay(2000);
  digitalWrite(STBY, LOW); //멈춤
  delay(1000);
}