ds89c440

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

microcontroller printer keil c51 retro-computing 8052 wheelwriter ds89c440 ibm-hardware sdcc-compiler

Microcontroller Tool Kit for DS89C4X0

8051 ds89c440 ds89c430 ds89c450

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

keil c51 retro-computing 8052 wheelwriter ds89c440 ibm-hardware

Uses a Dallas Semiconductor DS89C440 MCU to send data over the Wheelwriter's serial BUS.

keil c51 retro-computing 8052 wheelwriter ds89c440

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