Arduino: Restore Arduino UNO bootloader using avr dragon

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Revision as of 22:30, 13 February 2016 by Lukas Dzunko (talk | contribs) (→‎Step 1)

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If you "play" a lot with Arduino UNO then you may end up with locked up device or broken boot loader. There is way out of this problem but you will need additional device. I am using avr dragon for ISP programming and following commands can be used to restore Arduino UNO boot loader.

Note: This work also for other Atmel based devices but configuration needs to be modified accordingly.

Step 1

Download optiboot_atmega328.hex from optiboot at github.

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