L293D 모터 드라이버 사용

L293D

사용 예제

int PIN_CONTROL_1 = 7;
int PIN_CONTROL_2 = 8;
int PIN_ENABLE    = 9;

void setup() {
  pinMode(PIN_CONTROL_1, OUTPUT);
  pinMode(PIN_CONTROL_2, OUTPUT);
  pinMode(PIN_ENABLE   , OUTPUT);
}

void loop() {
  /******************/
  /* 전진            */
  /******************/
  
  digitalWrite(PIN_CONTROL_1, HIGH);
  digitalWrite(PIN_CONTROL_2, LOW);
  
  //속도:0%
  analogWrite(PIN_ENABLE, 0);
  delay(5000);
  
  //속도:50%
  analogWrite(PIN_ENABLE, 128);
  delay(5000);
  
  //속도:100%
  analogWrite(PIN_ENABLE, 255);
  delay(5000);
  
  /******************/
  /* 후진            */
  /******************/
  
  digitalWrite(PIN_CONTROL_1, LOW);
  digitalWrite(PIN_CONTROL_2, HIGH);
  
  //속도:0%
  analogWrite(PIN_ENABLE, 0);
  delay(5000);
  
  //속도:50%
  analogWrite(PIN_ENABLE, 128);
  delay(5000);
  
  //속도:100%
  analogWrite(PIN_ENABLE, 255);
  delay(5000);
}