Adafruit Itsybitsy nRF52840
Either use the drag and drop UF2 method or more steps involved - Arduino uploading method. For the UF2 method
Download the UF2 file for the itsybitsy board in the current release
Double click that reset button. You will then get a USB drive on your computer. Drag and drop the UF2 file to the root of that drive.
It SHOULD disconnect from your pC if successful – but as I say the loghts should change colour to Green
More details see the steps here
Or the Arduino uploading method.
Check the setup of your Arduino IDE (remember we're using the nRF52840 board!)
Upload the sketch to your feather.
Run the server side code
Done!
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