int potPin = 0;    
int ledPin = 9;   
int val = 0;      

void setup() {
  pinMode(ledPin, OUTPUT);  
}

void loop() {
  val = analogRead(potPin);   
  digitalWrite(ledPin, HIGH);
  delay(val);                 
  digitalWrite(ledPin, LOW);   
  delay(val);                  
}

Alat dan Bahan
– Komputer
– Board arduino Uno r3
– Kabel USB
– Resistor 220
– Potensiometer 10K
– LED 5mm
– Breadboard
– Kabel

Langkah Kerja

1. Rangkai alat dan bahan seperti skema
2. Tuliskan kode program pada arduino IDE
3. Upload Program
4. Tekan Potensiometer dan amati delay waktu nyala LED

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