Printing on a Teletype using an Arduino

Published at : 23 Dec 2025

This 1950s Teletype is cleaned-up, oiled and ready for action...well...almost! Once we replace a rather important set of cables, it's time to figure out how we can actually send data to be printed by this beautiful electromechanical machine.

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_Thanks for watching, and as always I welcome any feedback or ideas for future projects!_

*CHAPTERS*
0:00 Intro
0:46 Building a new Keyboard/Printer Cable
5:12 Let’s TTY! (Or at least try to…)
6:14 Avoiding surgery with an Arduino
8:54 First test - A whole bunch of "A"''s
9:28 Level-up - Printing the Alphabet!
10:41 Boss Level - Printing whatever we want!
11:06 Making ASCII talk Baudot
12:32 Outro
13:04 Thank you message via Teletype