} Uploading to Arduino Like in the Arduino IDE, PlatformIO allows you to either Build or Build and Upload your Arduino program to your board. In the blue bar under Visual Studio Code, you should see a ...

An X icon will appear. Click the X icon. 🙂 The tab closes, as is expected to be possible for supplemental files opened in the IDE's editor. 🙂 The editor is no longer split. Click the {} icon (" Open ...