Sensor Pendeteksi Kekeruhan Air Berbasis Arduino

Project Untuk Kelompok 6

Komponen yang dibutuhkan :

• Arduino (Versi apapun) >> 1 Buah.
• LDR >> 1 Buah.
• LED ukuran 5mm warna putih terang >> 3 Buah.
• Resistor 1K >> 2 Buah.
• Kabel >> Seperlunya.

Wiring :

Source Code :

 /*  
  * Generated Code by Kang Kamal  
  * kangkamal.blogspot.com  
  */  
 int led1 = 10;  
 int led2 = 11;  
 int led3 = 12;  
 int pinLDR = A0;  
 int data = 0;  
 void setup() {  
  // put your setup code here, to run once:  
  Serial.begin(9600);  
  pinMode(led1, OUTPUT);  
  pinMode(led2, OUTPUT);  
  pinMode(led3, OUTPUT);  
  digitalWrite(led1, LOW); //Matikan LED  
  digitalWrite(led2, LOW); //Matikan LED  
  digitalWrite(led3, LOW); //Matikan LED  
  delay(1000);  
 }  
 void loop() {  
  // put your main code here, to run repeatedly:  
  digitalWrite(led1, HIGH); //Nyalakan LED  
  digitalWrite(led2, HIGH); //Nyalakan LED  
  digitalWrite(led3, HIGH); //Nyalakan LED  
  data = analogRead(pinLDR);  
  Serial.print("Nilai : ");  
  Serial.println(data);  
  if (data < 150){  
   Serial.println("Air Bening");  
  }  
  if (data > 150 && data < 300){  
   Serial.println("Keruh");  
  }  
  if (data > 300){  
   Serial.println("Sangat Keruh");  
  }  
 }