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
Can't Update The Firmware On My USBasp Atmega8 Using Arduino - Microcontrollers - Arduino Forum
RCmall 10Pcs USBASP 51 AVR Programmer Downloader with Pin on JP2,ISP Downloader Adapter Board|Propulsion| - AliExpress
Case for USBasp - USB programmer by Aeggsbaerde | Download free STL model | Printables.com
10Sets/lot USBASP USBISP AVR Programmer 3.3V/5V USB ISP USB ASP ATMEGA8 ATMEGA128 ATtiny/CAN/PWM +10Pin Wire Support Win7 64Bit|avr programmer|can usbusb isp - AliExpress
Atmel AVR USBASP Programming | white wolf's lair
Teaching A USBasp Programmer To Speak TPI | Hackaday