AVR ISP Shield Burning Bootloader Programmer Atmega328P Bootloader Module with Buzzer and LED Indicator for Arduino: Amazon.com: Industrial & Scientific
Arduino as ISP to Burn Bootloader on AVR Microcontroller - YouTube
Arduino UNO AVR ISP Programmer Shield - Hackster.io
AVR ISP Shield - Elecrow
AVRISP mkII to Arduino Uno Connection via ICSP Header
Arduino Uno or Pro Micro as an AVR ISP Programmer - YouTube
AVR ISP Shield – The Libre Hacker
Make the AVRISP mkII Clone from Arduino UNO - Electronics-Lab.com
Arduino as ISP and Arduino Bootloaders | Arduino Documentation