UF2 (USB Flashing Format) is a name of a file format, developed by Microsoft, that is particularly suitable for flashing devices over MSC devices. The file consists of 512 byte blocks, each of which ...

USB DFU Bootloader for SAMD11 / SAMD21 Bootloaders may be a dime a dozen, but existing USB bootloaders for the Atmel/Microchip SAMD11/SAMD21 all seem to be 4kBytes or 8kBytes in size. To spend 25% or ...