# Temporary solution Please disable/uninstall `mitaki28.vscode-clang` and `vsciot-vscode.vscode-arduino` extensions for PlatformIO workspaces. VSCode > Menu > View > Extensions > Enabled > Icon near extension ⚙️ > Uninstall You can change a board and serial port using `platformio.ini` and `board`/`upload_port` options: - https://docs.platformio.org/en/latest/projectconf/section_env_general.html#board - https://docs.platformio.org/en/latest/projectconf/section_env_upload.html#upload-port --------- VSCode prompt 'Arduino.h' file not found ,But it can still compile