#define BLYNK_TEMPLATE_ID "TMPL61CQWs9nJ"
#define BLYNK_TEMPLATE_NAME "sensor cahaya"
#define BLYNK_AUTH_TOKEN "LciA2teEn1wPQEI_4xYeuxnamMQAar-M"

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

char auth[] = "LciA2teEn1wPQEI_4xYeuxnamMQAar-M";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define LDR_PIN 34 //Pin analog ESP32 untuk LDR
#define LED_PIN 13 //Pin digital ESP32 untuk LED

BlynkTimer timer;

void readLDR() {
  int ldrValue = analogRead(LDR_PIN);
  
  // Ubah skala nilai LDR dari (0-4095) menjadi (0-100)
  int normalizedLDR = map(ldrValue, 0, 4095, 0, 100);
  
  Blynk.virtualWrite(V0, normalizedLDR); // Kirim nilai LDR yang sudah dinormalisasi ke Blynk Virtual Pin V0
  
  Serial.print("Nilai LDR: ");
  Serial.println(String (normalizedLDR) + " %");  // Tampilkan nilai LDR yang sudah dinormalisasi di konsol Wokwi
}

BLYNK_WRITE(V1) {
  int pinValue = param.asInt();
  analogWrite(LED_PIN, pinValue); 
}

void setup() {
  pinMode(LDR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);

  Serial.begin(9600);

  Blynk.begin(auth, ssid, pass);
  
  timer.setInterval(1000L, readLDR);
}

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