ds89c440
There are 4 repositories under ds89c440 topic.
jim11662418/wheelwriter-printer
A Dallas Semiconductor DS89C440 MCU turns an IBM Wheelwriter Electronic typewriter into a Windows "Generic/Text Only" Printer.
jim11662418/wheelwriter-reader
Uses a Dallas Semiconductor DS89C440 MCU to read data on the Wheelwriter's serial BUS.
jim11662418/wheelwriter-send
Uses a Dallas Semiconductor DS89C440 MCU to send a hex number to the Wheelwriter's serial BUS.
OlekMazur/dsmtk
Microcontroller Tool Kit for DS89C4X0