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SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).

Member #271514

Member Since: December 2, 2011

Country: United States

  • Hi, I have a board (from a friend of mine) with an atmega32u4. It seems like there is no DFU/CDC installed at all (just a blank chip). We rechecked the schematic, everything ok. How did you burn the USB Bootloader into the chip. (Was planning on using FLIP,but with a blank chip, it doesn’t work). Does anyone have a tutorial for burning the bootloader? Thanks

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