LED소스

// LED 핀 정의

// 빨간 10, 노랑 11, 녹색 12

int redled = 10;

int yelled = 11;

int greled = 12;

float current_val = 0.0;

void setup()

{

  pinMode(redled,OUTPUT); pinMode(yelled, OUTPUT); pinMode(greled,OUTPUT);

}

void loop()

{

  int raw_val = analogRead(A0);

  // raw_val >> current_val (변환공식)

  current_val = raw_val * 0.1;

  if(current_val > 10) //mA

  {

    digitalWrite(yelled,HIGH);

  }

  else

  {

    digitalWrite(yelled,LOW); digitalWrite(greled,HIGH);

  }

}