USB
When you plug in your board with a USB cable, it will appear as new storage device (a new drive). If not, you might have to install a UF2-compatible bootloader on it.
- For SAMD21/SAMD51 based micro-controllers, go to https://github.com/microsoft/uf2-samdx1
- For other boards, you will need to implement UF2 support in the bootloader as specified in https://github.com/microsoft/uf2