In some platforms like arduino:zephyr, the bootloader could be uploaded with the same protocol as the uploader, so there is no reason to require the programmer.

When it comes to learning about microcontrollers, everyone has to start somewhere. [Lady Ada] recently posted a tutorial on burning the Arduino bootloader to standalone chips for those just getting ...

Following on from getting an Arduino programme to run on an 8pin ATtiny (ATtiny85), I need to invoke the in-built brown-out reset circuit – because my application involves running from an ...

Tired of waiting for that Arduino sketch to upload? Find yourself limited by code space? Optiboot eases both of these problems. The package is an alternative bootloader that runs at a higher baud rate ...