IoT Beginner Project #1: How to Blink LED using BLYNK App Button with Internet of Things (IoT) via ESP32 Wifi

 

IoT Beginner Project #1: How to Blink LED using BLYNK App Button with Internet of Things (IoT) via ESP32 Wifi

 

Objective: 

 To blink the LED using BLYNK app button via ESP32 Wifi.

 

Components:

• Smart phone with BLYNK App
• Computer 
• Breadboard 
• ESP32 
• LED 
• Resistor 220 Ohm  
• Jumper Male-to-Female  
• Micro USB-B 
• Internet needed
  

 

Schematic Diagram:

 Coding using Arduino IDE:

 

 

#include <Blynk.h>
 

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[]="3mkKYun-7TmkxAK1x5J9XPD2gXl1QsXH";//Auth. token:
char ssid[]="babysharkdudududu"; //wifi name:
char pass[]="wifipassword"; // wifi password:

int LEDpin= 22;
void setup()
{
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  pinMode(LEDpin,OUTPUT);
  pinMode(LEDpin, LOW);
}
void loop(){
  Blynk.run();
}







Watch this project tutorial on Youtube:


 

 

 

Thank you.