#define BLYNK_TEMPLATE_ID "TMPL6nPXJFToJ"
#define BLYNK_TEMPLATE_NAME "Tinggi Air"
#define BLYNK_AUTH_TOKEN "6tJs8e6jq5mhjN9a2AfJu9nqrO4qGZQ8"
#define BLYNK_DEVICE_NAME "Tinggi Air"
char auth[] = "6tJs8e6jq5mhjN9a2AfJu9nqrO4qGZQ8";
#define BLYNK_PRINT Serial

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


char ssid[] = "Pbh Kelompok 6";
char pass[] = " ";


int trig_pin = 5;
int echo_pin = 4;
long echotime;


void setup() {
  
  Serial.begin(9600);
  pinMode(trig_pin, OUTPUT);
  pinMode(echo_pin, INPUT);
  digitalWrite(trig_pin, LOW);

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

void loop() {
  float luas_alas = 28.26;
  float tinggi_gelas = 6.41;
  float volume, tinggi_air, jarak_pantul;

  digitalWrite(trig_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig_pin, LOW);
  echotime = pulseIn(echo_pin, HIGH);

  jarak_pantul = (0.034 * (float) echotime)/2;
  tinggi_air = tinggi_gelas - jarak_pantul;
  volume = luas_alas * tinggi_air;


  Serial.println("jarak permukaan = ");
  Serial.println(jarak_pantul);
  Serial.println(" Cm");
  Serial.println("Tinggi air  = ");
  Serial.println(tinggi_air);
  Serial.println("  Cm");
  Serial.println("Volume   = ");
  Serial.println(volume);
  Serial.println(" Cm3");
  Serial.println("========================");

  Blynk.run();
  delay(2000);

}