Go library to dump data from Nikon F5, F6, F100, F90, N90
This project is currently a proof of concept. It can dump data, but it is not accurate. There is absolutely a possibility that you seriously fuck up your camera trying this, only do this if you know what you are doing.
I have only tested this on a Nikon F5 because it's the only supported camera I own. It should work on the other cameras as well, but it might need adjustments. Feel free to open an issue here on GitHub.
Any TTL level (3.3v) UART should work. I have seen people using 5v, it might work, but it might also destroy your camera. 3.3v definitely works. I used LED pins to get into the connector.