(Check the video below.) Aside from tiny-soldering skills, [Vinod] wrote his own custom bootloader for the AVR-based Arduino. With just enough memory to back up the AVR’s flash, the bootloader ...

But of course, the bootloader has to be able to program the chip, so there’s got to be a way in. The trick is that [Majek] has carefully modified the Arduino’s Optiboot bootloader so that it ...

Understanding the intricacies of the Linux boot process and the GRUB bootloader configuration is essential for system administrators, developers, and Linux enthusiasts who want to harness the full ...