#7.4.11. 토양 습도 센서 + LED(5개)

int moisture;

void setup() {

  pinMode(A0, OUTPUT);

  pinMode(A1, INPUT);

  Serial.begin(9600);

  pinMode(8, OUTPUT);

  pinMode(9, OUTPUT);

  pinMode(10, OUTPUT);

  pinMode(11, OUTPUT);

  pinMode(12, OUTPUT);

}

void loop() {

  digitalWrite(A0, HIGH);

  delay(10);

  moisture = analogRead(A1);

  digitalWrite(A0, LOW);

  Serial.println(moisture);

  digitalWrite(8, LOW);

  digitalWrite(9, LOW);

  digitalWrite(10, LOW);

  digitalWrite(11, LOW);

  digitalWrite(12, LOW);

  if (moisture < 200) {

    digitalWrite(12, HIGH);

  } else if (moisture < 400) {

    digitalWrite(11, HIGH);

  } else if (moisture < 600) {

    digitalWrite(10, HIGH);

  } else if (moisture < 800) {

    digitalWrite(9, HIGH);

  } else {

    digitalWrite(8, HIGH);

  }

  delay(100);

}