//sensor jarak
#define ECHO_PIN 2
#define TRIG_PIN 15
float jarakDalamCm;
void setup() {
Serial.begin(115200);
pinMode(TRIG_PIN, OUTPUT);
pinMode(ECHO_PIN, INPUT);
}
float bacaJarak() {
digitalWrite(TRIG_PIN, LOW);
delayMicroseconds(2);
digitalWrite(TRIG_PIN, HIGH);
delayMicroseconds(10);
digitalWrite(TRIG_PIN, LOW);
int durasi = pulseIn(ECHO_PIN, HIGH);
jarakDalamCm = durasi * 0.034 / 2;
return jarakDalamCm;
}
void loop() {
bacaJarak();
Serial.println(jarakDalamCm);
delay(10); // this speeds up the simulation
}