ezgif-2-3275994d02.gif
ezgif-2-a0b5d774d8.gif

Blynk MQ2 Smoke Detector Notification Gauge



YouTube Tutorial:-


Materials:-

Nodemcu ESP8266

MQ-2 Smoke Gas Sensor


Connecttions:-

A0 -- A0

GND -- GND

Vcc -- 3.3V


Code:-