Kris MGH-Kris
UNITED STATES OF AMERICA • + Follow
Description
NABU PC native USB to serial adapter
This is an alternative way to provide serial communication for the vintage NABU computer. Instead of using RS422, it uses USB-to-serial adapter. This adapter "intercepts" the RX and TX signals that originally go to the RS422 circuit and "injects" the RX,TX from the USB adapter... There is also an option to "inject" an alternative clock signal (as suggested by one of my viewers)...this should allow a real 115200 bps speed.
I suggest using the thin-style headers for the pins, to protect the DIP socket inside the NABU computer.
YouTube video covering more details here: https://youtu.be/NxW2GOw5Mqk
Code
GitHub Sources
https://github.com/Kris-Sekula/NABU/tree/main/RS422Alternative/Hardware
Schematic and Layout
Schematic
https://github.com/Kris-Sekula/NABU/blob/main/RS422Alternative/Hardware/nabu_serial.pdf
Dec 31,2022
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NABU PC native USB to serial adapter
This is an alternative way to provide serial communication for the vintage NABU computer, instead of using RS422, uses USB-to-serial adapter
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Published: Dec 31,2022
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File Last Updated: 2023/11/23 (GMT+8)
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2023-11-2315:51:16
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