#define BLYNK_TEMPLATE_ID "TMPL6p4xHjf4S"
#define BLYNK_TEMPLATE_NAME "rumah pintar"
#define BLYNK_AUTH_TOKEN "w01JzVDUgDAoYcVHH4Gw8AnrMFONbcIg"
#define Blynk_PRINT Serial

#define magenta 13
#define yellow 12
#define limegreen 14
#define pinEcho 2
#define pinTrigger 15
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHTesp.h>

const int DHT_PIN = 15;
DHTesp dhtSensor;
char auth[] = "w01JzVDUgDAoYcVHH4Gw8AnrMFONbcIg";
char ssid[]= "Wokwi-GUEST";
char pass[]= "";
BlynkTimer timer;
void sendSensor()
{
  TempAndHumidity data= dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String (data.temperature, 2) + "°C");
  Serial.println("Humidity: "+ String (data.humidity, 1) + "%");
  Serial.println("---");
  Blynk.virtualWrite(V1, data.temperature); //mengirimkan data ke Virtual pin di Blynk Cloud Blynk.virtualWrite(V2, data.humidity); //mengirimkan data kelemaban ke Virtual pin V1 di Blynk Cloud
  Blynk.virtualWrite(V2, data.humidity);
}
void setup()
{
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  timer.setInterval(2000L, sendSensor);
  Serial.begin(115200);
  Serial.println("Selamat datang pada sistem tandon air otomatis"); 
  pinMode(pinEcho, INPUT);
  pinMode(pinTrigger, OUTPUT);
  pinMode(magenta, OUTPUT);
  pinMode(yellow, OUTPUT);
  pinMode(limegreen, OUTPUT);
}
float readUltrasonic() {
digitalWrite(pinTrigger, LOW);
delayMicroseconds(2);
//trigger PIN dengan sinyal HIGH selama 10micro detik
digitalWrite(pinTrigger, HIGH);
delayMicroseconds(10);
digitalWrite(pinTrigger, LOW);
int duration = pulseIn(pinEcho, HIGH);
float dist_cm = duration * 0.034 / 2;
return dist_cm;
//float dist_inch = duration * 0.0133 / 2;
}
void loop()
{
// put your main code here, to run repeatedly:
float waterLevel = readUltrasonic();
Serial.println("Batas Ketinggian Air adalah: ");
Serial.println(waterLevel);
if(waterLevel > 150){
digitalWrite(limegreen, HIGH);
digitalWrite(yellow, LOW);
digitalWrite(magenta, LOW);
Blynk.virtualWrite(V3, waterLevel);
}
else if(waterLevel >100 && waterLevel <=150 ){
  digitalWrite(yellow, HIGH);
  digitalWrite(limegreen, LOW);
  digitalWrite(magenta, LOW);
  Blynk.virtualWrite(V3, waterLevel);
}
else if(waterLevel <=50) {
  digitalWrite(magenta, HIGH);
  digitalWrite(limegreen, LOW);
  digitalWrite(yellow, LOW);
  Blynk.virtualWrite(V3, waterLevel);
}
Blynk.run();
timer.run();
}