Amazon.com: Geekstory for ATMEL 51 AVR USB ISP ASP Microcontroller Programmer Downloader with Cable + 10Pin to 6Pin Adapter Board for Ender 3 or Ender 3 Pro : Electronics
SIPHEC.COM - Microcontroller Development Board, ATmega128, MSP430, EZ-USB FX2LP CY7C68013A
Amazon.com: waveshare AVR Programmer USB AVRISP XPII Compatible with ATMEL at AVR ISP mk2 mkII in-System Programmer Supports AVR Studio 4/5/6/7 Or Higher Version : Electronics
Amazon.com: HiLetgo USBTiny USBtinyISP AVR ISP Programmer 6/10 Pin Bootloader for Arduino UNO MEGA : Electronics
Kanda - Guide to AVR ISP Circuit Schematics
GitHub - wagiminator/AVR-Programmer: Collection of AVR Programmers and Accessories
USB AVR Programmer
How to Program an AVR chip Using a USBASP (10-pin Cable)
How to Program an AVR chip Using a USBASP (10-pin Cable)