USBasp is an in-circuit serial programmer designed for the Atmel AVR Microcontroller family. It is a low-cost programmer that converts hex files (.hex) into AVR microcontrollers, utilizing an Atmega8 ...

What she came up with is an ATtinyISP USB programmer, pushing data to an ATtiny85, which then programs an EEPROM chip with said data. The hardware is the next module for her Veronica 6502 computer ...