Easy to make programmer using 12V DC-DC converter with enable and ATMEGA32U4 Beetle board. Programs AVR Attiny devices in high voltage mode to recover fuse settings and allow reset pin to be used as ...

This project is a bootloader and firmware for a Macintosh ROM SIMM programmer, along with control software for Mac OS X, Windows, and Linux. The ROM SIMM is compatible with the SE/30, IIx, IIcx, IIci, ...