#define BLYNK_TEMPLATE_ID "TMPL6Fd5m2RyD"
#define BLYNK_TEMPLATE_NAME "Exploring Smart Parking Solutions with Blynk"
#define BLYNK_AUTH_TOKEN "B1SycsS5Io4yEl4zmwB7YOML8MJAxBzY"

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "steam asigment";
char pass[] = "sygil";
//*****ULTRASONIK, menamai pin yang digunakan****************
#define pinecho 19
#define pintrig 21
#define lamp 2
#define lamph 4

void sendSensor()
{
   //*****ULTRASONIK, membaca jarak***************************
  digitalWrite(pintrig, LOW);
  delayMicroseconds(2);
  digitalWrite(pintrig, HIGH);
  delayMicroseconds(10);
  digitalWrite(pintrig, LOW);
  int duration=pulseIn(pinecho, HIGH);
  float distance=duration*0.034/2;

  //*****SERIAL MONITOR, menampilkan data jarak**************
  Serial.print(distance);
  Serial.println("cm");
  
  //if (distance < 100 ){
  // Blynk.virtualWrite(V0, distance);
  //}
  //*****BLYNK, kirim nilai sensor*****************************
  Blynk.virtualWrite(V0, distance);
  Blynk.virtualWrite(V1, distance);
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(pinecho, INPUT);
  pinMode(pintrig, OUTPUT);
  pinMode(lamp, OUTPUT);
  pinMode(lamph, OUTPUT);

  Blynk.begin(auth, ssid, pass);
  timer.setInterval(100L, sendSensor);
  //********BLYNK, mulai koneksi ke blynk***********************
}

void loop() {

  Blynk.run();
  timer.run();
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  digitalWrite(pintrig, LOW);
  delayMicroseconds(2);
  digitalWrite(pintrig, HIGH);
  delayMicroseconds(10);
  digitalWrite(pintrig, LOW);
  int duration=pulseIn(pinecho, HIGH);
  float distance=duration*0.034/2;

  //*****SERIAL MONITOR, menampilkan data jarak**************
  Serial.print(distance);
  Serial.println("cm");

if (distance > 100 ){
    digitalWrite(lamp , LOW);
    digitalWrite(lamph, HIGH);
  }
  else{digitalWrite(lamph , LOW);
    digitalWrite(lamp, HIGH);}
}