Sending Digital signal To Blynk App with NodeMcu and Push button | Home Security system

In this video
We are going to know how to Send Digital signal to Blynk mobile application. We are using Nodemcu with push button & jumper cable with breadboard .
Source Code:
github.com/Tec...
Library :
ESP8266WIFI : github.com/eks...
BLYNKSIMPLEESP8266 : github.com/bly...
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