[TUTORIAL] Menghubungkan Blynk IoT dengan ESP32 di Wokwi dan Arduino IDE (Project Kontrol LED Sederhana)

#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "[Blynk Project ID]"
#define BLYNK_TEMPLATE_NAME "[Blynk Project Name]"
#define BLYNK_AUTH_TOKEN "[Blynk Project Token]"
#define Merah 12
#define Kuning 27
#define Hijau 25

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

BlynkTimer timer;

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int pinValue0 = 0;
int pinValue1 = 0;
int pinValue2 = 0;

BLYNK_WRITE(V0) {
  pinValue0 = param.asInt();
  if (pinValue0 == 1) {
    digitalWrite(Merah, HIGH);
  }
  else {
    digitalWrite(Merah, LOW);
  }
}

BLYNK_WRITE(V1) {
  pinValue1 = param.asInt();
  if (pinValue1 == 1) {
    digitalWrite(Kuning, HIGH);
  }
  else {
    digitalWrite(Kuning, LOW);
  }
}

BLYNK_WRITE(V2) {
  pinValue2 = param.asInt();
  if (pinValue2 == 1) {
    digitalWrite(Hijau, HIGH);
  }
  else {
    digitalWrite(Hijau, LOW);
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  pinMode(Merah, OUTPUT);
  pinMode(Kuning, OUTPUT);
  pinMode(Hijau, OUTPUT);
  Serial.println("Hello, ESP32!");
}

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

#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPLaEpVpnAs"
#define BLYNK_TEMPLATE_NAME "IoT Traffic Light"
#define BLYNK_AUTH_TOKEN "WgcfgYxpQM2vvIf3TSXvqERYkvlJ7uFp"

#define Merah 12
#define Kuning 27
#define Hijau 25

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

BlynkTimer timer;

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int pinValue0 = 0;
int pinValue1 = 0;
int pinValue2 = 0;

BLYNK_WRITE(V0) {
  pinValue0 = param.asInt();
  if (pinValue0 == 1) {
    digitalWrite(Merah, HIGH);
  }
  else {
    digitalWrite(Merah, LOW);
  }
}

BLYNK_WRITE(V1) {
  pinValue1 = param.asInt();
  if (pinValue1 == 1) {
    digitalWrite(Kuning, HIGH);
  }
  else {
    digitalWrite(Kuning, LOW);
  }
}

BLYNK_WRITE(V2) {
  pinValue2 = param.asInt();
  if (pinValue2 == 1) {
    digitalWrite(Hijau, HIGH);
  }
  else {
    digitalWrite(Hijau, LOW);
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  pinMode(Merah, OUTPUT);
  pinMode(Kuning, OUTPUT);
  pinMode(Hijau, OUTPUT);
  Serial.println("Hello, ESP32!");
}

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