Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...

I'll soon be tearing my hair out, I'm simply trying to compile optiboot (unmodified for now) from source for an ATmega328PB and can't get it to work: Hardware: The MCU is sitting on a custom PCB with ...

In this post on the Arduino.cc forums and this blog post, [Majek] announced that he had fooled the AVR microcontroller inside and Arduino into writing user data into its own flash memory during ...

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 ...

Arduino enthusiasts searching for an alternative to the Arduino Uno with an equivalent and compatible board design may be interested in the Adafruit Metro 328 development board, which offers a ...

Abstract: This paper presents a new bootloader for Atmel's AVR ATMega microcontroller family. Presented solution compared to Optiboot is smaller and faster, leaving programmer more flash space, and ...