The description you requested starts at the line "To connect an ESP8266 NodeMCU or ESP32 board to the internet through WiFi using Blynk, you will need to:" and ends at the line "Once your ESP8266 NodeMCU or ESP32 board is connected to the Blynk app, you will be able to control it remotely."
Here is the relevant section of the description:
To connect an ESP8266 NodeMCU or ESP32 board to the internet through WiFi using Blynk, you will need to:
Create a Blynk account and create a new device.
Install the Blynk Arduino library on your computer.
Write a simple Arduino sketch to connect your ESP8266 NodeMCU or ESP32 board to WiFi and Blynk.
Upload the Arduino sketch to your ESP8266 NodeMCU or ESP32 board.
Install the Blynk app on your Android phone or tablet.
Connect the Blynk app to your ESP8266 NodeMCU or ESP32 board.
Once your ESP8266 NodeMCU or ESP32 board is connected to the Blynk app, you will be able to control it remotely.
ESP8266 Board installation Link http://arduino.esp8266.com/stable/pac...
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