Last month, I got a Brother AX-25 electronic typewriter from the 80s, and I've been working on turning it into a Linux terminal, or a teletype. I've been working on connecting the typewriter's keyboard to my Arduino, and I finally managed to get it running! The keyboard is scanned using two multiplexers, much like the circuit used to control the typewriter. Before, my typewriter was only really a teleprinter, but now it works like an actual teletype! Now I can type on it without having to send it commands from my laptop.
Check out my other videos if you haven't seen them and you want to see how it works: • Turning an 80s typewriter into a computer
Source code: https://github.com/artillect/serial-t...
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Chapters:
0:00 Intro
0:24 Build Montage
1:40 How it works
2:32 Troubleshooting
3:52 Demo
4:52 Conclusion
#arduino #raspberrypi #linux