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 ...

Optiboot is now installed by default on the Arduino Uno. It can be installed on all older mega8, 168 or 328 based Arduinos. Optiboot is "compatible", in a loose sense, with all versions of the Arduino ...

Since you lacked the USB interface in your own Arduino board, it becomes necessary to use a homemade/ready-made USB to Serial Converter Module as an efficient and economical solution. Inexpensive and ...

There are many reasons to build your own Arduino circuit on a protoboard or a custom-designed printed circuit board. At the heart of the Arduino platform is an AVR microcontroller, in usual way you ...

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 ...