A STCmicro STC15W4K32S4 series micro controller turns an IBM Wheelwriter Electronic Typewriter into a teletype-like device.

A Dallas Semiconductor DS89C440 MCU turns an IBM Wheelwriter Electronic typewriter into a Windows "Generic/Text Only" Printer.

My own improved implementation of so-called "Schizofreny" 8051 board.

Uses a Dallas Semiconductor DS89C440 MCU to read data on the Wheelwriter's serial BUS.

Uses a Dallas Semiconductor DS89C440 MCU to send a hex number to the Wheelwriter's serial BUS.

STC8x8K porting based on μC/OS-ⅱ v2.93.01

Tic Tac Toe on 8052 in embedded C