tuxgraphics.org: 07052, AvrUsb500v2 -- an open source Atmel AVR Programmer, stk500 V2 compatible, with USB interface
Amazon.com: Based on ATMEL Official STK500 USB AVRISP CH AVR ISP high Speed Programmer Compatible with at AVRISP from ATMEL Supports AVR Studio 4/5/6/7 ISP_6PIN Interface @XYGStudy : Electronics
STK500 | Microchip Technology
Grantronics
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A guide to configuring the STK500 development board for use with AVR microcontrollers