Collect2.exe: error: ld returned 1 exit status *** [.pio\build\Uno\firmware.elf] Error 1

Hello I keep getting this error here is the code im trying to use Marcin648/e90-dashboard-ets2 (github.com)

Im using an arduino Uno

See Declare libraries properly by maxgerhardt · Pull Request #2 · Marcin648/e90-dashboard-ets2 · GitHub

Actually, the error message should not contain “.pio\build\Uno” since the firmware you’ve linked to is for an megaatmega2560. Make double sure you’ve selected the right project in the first place using the project environment switcher in VSCode.