usbtinyispfzr - Single-sided pcb board of USBtinyISP open-source USB AVR programmer and SPI interface designed by Ladyada http://www.ladyada.net.
usbtinyispfzr by Andre Aureliano http://www.fiozera.com.br
Modified hardware design layout files based on USBtinyISP by Ladyada http://www.ladyada.net/make/usbtinyisp/index.html both under license CC 2.5 Attrib./Share-alike.