Difference between revisions of "Arduino: Restore Arduino UNO bootloader using avr dragon"
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+ | Download <code>optiboot_atmega328.hex</code> from [https://github.com/Optiboot/optiboot optiboot at github]. | ||
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Revision as of 22:30, 13 February 2016
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.