- Pin diagram for ESP 8266
- Know about NodeMCU ESP8266
- Download Arduino IDE
- Open IDE -> File preferences -> Additional board manager URL
- Paste the URL in the dialog box :
http://arduino.esp8266.com/stable/package_esp8266com_index.json
- Tools -> Board -> Boards Manager.
- Search ESP 8266 & Download the latest version
- After the installation is complete, open Tools Board Select the NodeMCU
![image](https://private-user-images.githubusercontent.com/99123453/303832159-0817cf57-634e-4747-ac30-28c021e6607d.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.WpZsEoOrCuCkkCZYrySZUg3TJFOsklIK4kvcSFQ2ONI)