![]() I hope to extend the built-in code to support writing of 27 series EPROMs next. The hardware and software can be found here: The interface resembles a ROM monitor, with display, checksum, and other commands. Instead, it uses the Arduino USB to talk to a terminal program like TeraTerm or minicom to send ROM images using XMODEM. No programmer-specific client code is needed. The software is modular and can be extended to other chip families as well. ![]() It was originally created for a 28C256 EEPROM, but the design has since been adapted to also do Intel 8755A EPROMs. It isn't meant for production use, but can be a handy way to go for one-off device programming for projects. As an alternative to Willem programmers and the budget USB designs, I've put together a EPROM programmer that can be built on a breadboard using an Arduino and a few additional parts that you probably already have in your parts bin. Jun-2003 Many chips could be used, different voltage and package. ![]()
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