B4R Question Key was not present

Yuddi Aja said:

I solved the problem, i have to install board from arduino-cli first.

I follow instructions in this link

How to get started with the Arduino CLI for beginners and power users (Comprehensive tutorial)

As the Arduino CLI (Command Line Interface) enters its first stable version (v1.0) after its release, it is easier than ever to integrate the Arduino framework with your favorite IDE/text-editor an…

dumblebots.com

Thanks

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sanjog shakya said:

I have followed the link you have provided and all goes as directed, but board type doesn't show ESP8266.

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Daestrum said:

Open the arduino IDE, goto boards manager and search for 8266 (community version) and install it.
View attachment 153288

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