#define BLYNK_TEMPLATE_ID "TMPL6weNjdSl5"
#define BLYNK_TEMPLATE_NAME "Sensor Ultrasonik"
#define BLYNK_AUTH_TOKEN "UlYPo2b-aiOFe2Z0lnPIt3OMEcClWKIg"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = "UlYPo2b-aiOFe2Z0lnPIt3OMEcClWKIg";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

int lamp1 = 4;
int lamp2 = 2;
int trig = 13;
int echo = 12;
long durasi, jarak;

void setup() {
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(lamp1, OUTPUT);
  pinMode(lamp2, OUTPUT);

  Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();

  digitalWrite(trig, LOW);
  delayMicroseconds(8);
  digitalWrite(trig, HIGH);
  delayMicroseconds(8);
  digitalWrite(trig, LOW);
  delayMicroseconds(8);

  durasi = pulseIn(echo, HIGH);
  jarak = (durasi / 2) / 29.1;

  Blynk.virtualWrite(V0, jarak);

  if (jarak < 10) {
    digitalWrite(lamp1, HIGH);
    digitalWrite(lamp2, LOW);
  } else if (jarak > 100) {
    digitalWrite(lamp1, HIGH);
    digitalWrite(lamp2, LOW);
  } else if (jarak > 10 && jarak < 100) {
    digitalWrite(lamp1, LOW);
    digitalWrite(lamp2, HIGH);
  }
}