DB9 to RJ45, USB to TTL (FTDI), and null modem/rollover adapters. The adapter circuit in this repo carries an inexpensive CPL2102 USB breakout board, cheap and plentiful on eBay, and exposes ...

This project is an interface board to connect two USB controllers to the DB9 controller ports of an Atari ST/Amiga system. This is a sequel to the "USB Controller adapter" project : it provides two ...