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- // -------------------------------------------
- // Program Dasar Deteksi Jarak HC-SR04
- // www.ardukode.blogspot.com
- // -------------------------------------------
- const int trigPin = 9;
- const int echoPin = 10;
- void setup() {
- Serial.begin(9600);
- pinMode(trigPin, OUTPUT);
- pinMode(echoPin, INPUT);
- }
- void loop() {
- long duration, distance;
- digitalWrite(trigPin, LOW);
- delayMicroseconds(2);
- digitalWrite(trigPin, HIGH);
- delayMicroseconds(10);
- digitalWrite(trigPin, LOW);
- duration = pulseIn(echoPin, HIGH);
- distance = (duration * 0.034) / 2;
- Serial.print("Jarak: ");
- Serial.print(distance);
- Serial.println(" cm");
- delay(1000);
- }
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