Amazon.com: KeeYees 2pcs Downloader Programmer for USBASP for ISP with Cable and 10Pin to 6Pin Adapter Board for 51 for AVR Series Microcontroller : Electronics
arduino ide - ESP8266 and USBasp V2.0 - Stack Overflow
10pc USBASP USB Atmel AVR Programmer; USB ASP USBISP ISP Arduino Bootloader USA | eBay
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
Help with usbasp pinout - Arduino Stack Exchange
USBasp - USB programmer for Atmel AVR controllers - fischl.de