#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#define TRIG_PIN  12
#define ECHO_PIN  13

#define BLYNK_TEMPLATE_ID "TMPLl4AsyIBs"
#define BLYNK_DEVICE_NAME "TES LED2"
#define BLYNK_AUTH_TOKEN "R6HA67mkrj7JmYihEU7d8lInKlpTd2Lt"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial


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

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


long duration, inches;
int set_val,percentage;
int JetPump = 14;
int ledRed = 23;
int mode;

LiquidCrystal_I2C lcd(0x27, 20, 4);


BLYNK_WRITE(V0)
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  if(mode==0){digitalWrite(14,pinValue);
    digitalWrite(ledRed, LOW);
    lcd.setCursor(4, 1);
    lcd.print(percentage);
   lcd.print("%   ");
    }

  // process received value
}

BlynkTimer timer;

void myTimerEvent()
{
  duration = pulseIn(ECHO_PIN, HIGH);

  lcd.print(percentage);
   lcd.print("%   ");

}
BLYNK_WRITE(V1)
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  mode=pinValue;
  // process received value
}


void setup() {
   //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(ledRed, OUTPUT);
  pinMode(JetPump, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT); 
  pinMode(ECHO_PIN, INPUT);  
 
  if(set_val>150)set_val=150;

  lcd.init();
  lcd.backlight();
  lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("   Water Pump   ");
 lcd.setCursor(0, 1);
 lcd.print("    Otomatis   ");
 delay(2000);
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("   Pendeteksi  ");
 lcd.setCursor(0, 1);
 lcd.print(" Ketinggian Air ");
 delay(2000);
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print(" Dirancang Oleh  ");
 lcd.setCursor(0, 1);
 lcd.print("  Kelompok 19  ");
 delay(2000);
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("  System Ready  ");
 delay(500);
 lcd.clear();

Serial.begin(115200);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

}


void loop() {
timer.run();
Blynk.run();

  if(digitalRead)
  // put your main code here, to run repeatedly:
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  duration = pulseIn(ECHO_PIN, HIGH);

  percentage=(set_val-inches)*100/set_val;

 
    digitalWrite(ledRed, LOW);
    lcd.setCursor(0, 1);
   lcd.print(percentage);
   lcd.print("%   ");
    
  
  
   if(percentage<0)percentage=0; 
    lcd.setCursor(1, 0); 
   lcd.print(percentage);
   lcd.print("%   ");
   


    if (percentage >99) 
    digitalWrite(ledRed, HIGH);
    lcd.print("  AIR TERSEDIA    ");
    lcd.setCursor(1, 1);
   lcd.print(percentage);
   lcd.print("%   ");
    
  
    if (percentage <10) 
    digitalWrite(ledRed, LOW);
    lcd.print(" AIR HABIS");
    lcd.setCursor(1, 1);
   lcd.print(percentage);
   lcd.print("%   ");
    
  
 }