SIMULASI ALARM BANJIR WATER LEVEL MENGGUNAKAN ARDUINO

SKRIP ARDUINO

int air = A1;

int led1 = 2;

int led2 = 3;

int led3 = 4;

int Buzzer = 9;

void setup() {

  pinMode (air, INPUT);

  pinMode (Buzzer, OUTPUT);

  pinMode (led1, OUTPUT);

  pinMode (led2, OUTPUT);

  pinMode (led3, OUTPUT);

 Serial.begin(9600);

}

void loop() {

  int value = analogRead(air);

  Serial.println(value);

  delay (200);

  if (value <=100)

  {

    digitalWrite(Buzzer, LOW);

    digitalWrite(led1, LOW);

    digitalWrite(led2, LOW);

    digitalWrite(led3, LOW);

    Serial.println("AMAN");

  }

  else if (value >100 && value <=250)

  {

    digitalWrite(Buzzer, HIGH);

    digitalWrite(led1, HIGH);

    digitalWrite(led2, LOW);

    digitalWrite(led3, LOW);

    delay(1000);

    digitalWrite(Buzzer, LOW);

    digitalWrite(led1, LOW);

    digitalWrite(led2, LOW);

    digitalWrite(led3, LOW);

    delay(1000);

    Serial.println("siaga 1");

  }

   else if (value >250 && value <=400)

  {

    digitalWrite(Buzzer, HIGH);

    digitalWrite(led1, LOW);

    digitalWrite(led2, HIGH);

    digitalWrite(led3, LOW);

    delay(500);

    digitalWrite(Buzzer, LOW);

    digitalWrite(led1, LOW);

    digitalWrite(led2, LOW);

    digitalWrite(led3, LOW);

    delay(500);

    Serial.println("siaga 2");

  }

   else

  {

    digitalWrite(Buzzer, HIGH);

    digitalWrite(led1, LOW);

    digitalWrite(led2, LOW);

    digitalWrite(led3, HIGH);

    delay(30);

    digitalWrite(Buzzer, LOW);

    digitalWrite(led1, LOW);

    digitalWrite(led2, LOW);

    digitalWrite(led3, LOW);

    delay(30);

    Serial.println("banjir");

  }

}

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ALAT DAN BAHAN
1.Arduino uno
2.Kabel jumper secukupnya
3.Sensor water level
4.LED 3 buah
5.Buzzer
6.Projec board

RANGKAIAN

• Pin S sensor water level di sambungkan ke pin A1 (pin Analog)
• pin + sensor water level di sambungkan ke +5v
• Pin - sensor water level di sambungkan ke Ground
• LED 1, Kaki LED + sambungkan ke pin 2, Kaki LED - sambungkan ke Ground
• LED 2, Kaki LED + sambungkan ke pin 3, Kaki LED - sambungkan ke Ground
• LED 1, Kaki LED + sambungkan ke pin 4, Kaki LED - sambungkan ke Ground
• pasang Buzzer pada pin 9 untuk sisi +, dan untuk sisi - sambungkan ke Ground