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Topic: Bootloader HEX (Read 137 times) previous topic - next topic

Saktish25

Where we can download bootloader Atmega328P-PU in .hex file ?

jackthom41

#1
Dec 18, 2018, 04:40 am Last Edit: Jan 18, 2019, 02:17 am by jackthom41
Bootloader is not available in .hex file, the only way to install it is via Arduino IDE and the file used is avrdude.config as sometimes we need to change the signature in it while uplaoding bootloader.
Technopreneur

WattsThat

Bootloader is not available in .hex file, the only way to install it is via Arduino IDE and the file used is avrdude.config as sometimes we need to change the signature in it while uplaoding bootloader.
If all you need is the standard 16MHz Arduino Uno and similar targets, a pre-built optiboot.hex file is available in the GitHub repo. Of course all the source and make files for creating any variant you may need are there as well in the root.

Pre-build AtMega328:

https://github.com/Optiboot/optiboot/blob/master/optiboot/bootloaders/optiboot/optiboot_atmega328.hex

Optiboot root:

https://github.com/Optiboot/optiboot
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