NodeMCU ESP8266 Temperature And Humidity With DHT11 / DHT22 Sensor And Flutter App. For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on ...

Install the required libraries in the Arduino IDE. Open the Arduino sketch (DHT11_NodeMCU_Blynk.ino) and update the Wi-Fi credentials and Blynk authentication token. Upload the sketch to your NodeMCU.

Circuit Diagram. Circuit diagram for this IoT Smart Irrigation System is given below: Programming ESP8266 NodeMCU for Automatic Irrigation System. For programming the ESP8266 NodeMCU module, only the ...

NodeMCU ESP8266 Module; DHT11 Sensor; Jumpers . Circuit Diagram . There will be a few steps before starting to program ESP8266 for Logging Temperature Data on Google Sheet. We will be needing few ...