2WAY LIGHT CONTROL USING BLYNK AND NODEMCU

VIDEO:

VIDEO LINK :   https://youtu.be/3cafRxcZkrU

MATERIALS REQUIRED:

1.NODEMCU

2.5V RELAY MODULE

3.2WAY SWITCH

4.AC BULB AND PLUG

5.JUMPER CABLES

CODE:

// CREATIVE PRADEEP//

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

// You should get Auth Token in the Blynk App.

// Go to the Project Settings (nut icon).

char auth[] = "---------------"; //You will get this Auth Token in Gmail if you signin Blynk app with your Gmail ID

// Your WiFi credentials.

// Set password to "" for open networks.

char ssid[] = "------"; //Enter your WIFI Name

char pass[] = "------";//Enter your WIFI Password

void setup()

{

  // Debug console

  Serial.begin(9600);

  pinMode(D0,OUTPUT);

  pinMode(D1,OUTPUT);

  pinMode(D2,OUTPUT);

  pinMode(D3,OUTPUT);

  

  digitalWrite(D0,HIGH);

  digitalWrite(D1,HIGH);

  digitalWrite(D2,HIGH);

  digitalWrite(D3,HIGH);

  

  Blynk.begin(auth, ssid, pass);

  // You can also specify server:

  //Blynk.begin(auth, ssid, pass, "blynk-cloud.com", 8442);

  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8442);

}

void loop()

{

  Blynk.run();

}

CIRCUIT DIAGRAM:

CHANNEL LINK: https://youtube.com/c/CreativePradeep