ใช้ App Blynk ควบคุม Ardunio ที่เชื่อมต่อกับ ESP-01

#define BLYNK_PRINT Serial
#include <ESP8266_Lib.h>
#include <BlynkSimpleShieldEsp8266.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "yourBlynkToken";

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "yourSSID";
char pass[] = "yourPassword";

#include <SoftwareSerial>
SoftwareSerial EspSerial(2, 3); // RX, TX

// Your ESP8266 baud rate:
#define ESP8266_BAUD 9600

ESP8266 wifi(&EspSerial);

void setup()
{
 // Debug console
 Serial.begin(9600);

 // Set ESP8266 baud rate
 EspSerial.begin(ESP8266_BAUD);
 delay(10);

 Blynk.begin(auth, wifi, ssid, pass);
}

void loop()
{
 Blynk.run();
}