Identifying boot loader

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i have (g3) uno (extra pins) , programmed test code led project.

i have 3 more mega chips board lab led (uno) how tell boot loader installed if swap chips around?


p.s. hope above makes sense.

i think can not identify boot loader ...  :smiley-roll-blue:
you can buy programmer (or use arduino isp) , rewrite bootloader arduino ide. way sure have latest bootloader.

by way, version "r3" : " arduino uno r3"


Arduino Forum > Using Arduino > Microcontrollers > Identifying boot loader


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