#define BLYNK_TEMPLATE_ID "TMPL6SdC4-AQx"
#define BLYNK_TEMPLATE_NAME "l298n dht11 button"
#define BLYNK_AUTH_TOKEN "JPUy_4BqnQRWleaSDC8-nlExNblZt1D5"

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

#define DHTPIN 18         // Pin tempat DHT11 terhubung
#define DHTTYPE DHT22     // Tipe sensor DHT
#define BUTTON_PIN 4      // Pin push button

DHT dht(DHTPIN, DHTTYPE);
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Motor A
//int enable1Pin = 27; 
//int enable1Pin = 26; 
int enable1Pin = 14; 

// Setting PWM properties
//const int freq = 30000;
//const int pwmChannel = 0;
//const int resolution = 8;
//int dutyCycle = 200;

int switchState = LOW;  // Global state for the Blynk switch

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);

  pinMode(BUTTON_PIN, INPUT);
  //pinMode(enable1Pin, OUTPUT);
  //pinMode(enable1Pin, OUTPUT);
  pinMode(enable1Pin, OUTPUT);
  //ledcSetup(pwmChannel, freq, resolution);
  //ledcAttachPin(enable1Pin, pwmChannel);

  dht.begin();
}

BLYNK_WRITE(V0) { // Assuming V0 is the virtual pin connected to the switch widget
  switchState = param.asInt();  // Set switch state to the value received from Blynk App
}

void loop() {
  Blynk.run();
  
  float temperatureCelsius = dht.readTemperature(); // Suhu dalam Celsius
  float humidity = dht.readHumidity(); // Kelembaban
  int buttonState = digitalRead(BUTTON_PIN);

  Serial.print("Suhu: ");
  Serial.print(temperatureCelsius);
  Serial.print("C, Kelembaban: ");
  Serial.print(humidity);
  Serial.println("%");

  Blynk.virtualWrite(V2, temperatureCelsius); // Suhu dalam Celsius
  Blynk.virtualWrite(V1, humidity); // Kelembaban

  // Membaca status pin enable1Pin
  //bool motorStatus = digitalRead(enable1Pin);
  //Serial.print("enable1Pin status: ");
  //Serial.println(motorStatus ? "HIGH" : "LOW");
  //Blynk.virtualWrite(V3, motorStatus);  // Kirim status pin ke V3

  // Mengatur motor DC berdasarkan kondisi suhu dan tombol/switch
  if (temperatureCelsius > 30) {
    digitalWrite(enable1Pin, HIGH);
    digitalWrite(enable1Pin, LOW);
   // ledcWrite(pwmChannel, dutyCycle);
  } else if (buttonState == HIGH || switchState == HIGH) {
    digitalWrite(enable1Pin, HIGH);
    digitalWrite(enable1Pin, LOW);
   // ledcWrite(pwmChannel, dutyCycle);
  } else {
    digitalWrite(enable1Pin, LOW);
    digitalWrite(enable1Pin, LOW);
  //  ledcWrite(pwmChannel, 0);
 }

  delay(1000); // Mengurangi delay untuk responsivitas yang lebih baik
}

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esp32-devkit-c-v4
led1:A
led1:C
r1:1
r1:2
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
btn1:1.l
btn1:2.l
btn1:1.r
btn1:2.r