Nodemcu ESP8266 DHT11

Nodemcu ESP8266 with DHT11, MQ2 Smoke Sensor, 5v Relay, and Blynk

Description: Nodemcu ESP8266 with DHT11, MQ2 Smoke Sensor, 5v Relay, and Blynk– In this tutorial you will learn how to use DHT11 Temperature and humidity sensor, MQ-2 Smoke Sensor, and 5V 1-Channel... Read more »