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Don't suppose anyone has a damaged cable lying around? Those things are expensive.
I've got a couple that might be buggered that I swapped out of the Mason.
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Im fairly certain that I once stumbled upon a guy who not only reverse engineered it, he was making custom PCB-s that your own switches could be attached to instead of having to gut a shifter for it. But for the life of me I cant find his posts online, maybe he got hit with a C&D.
Edit: still couldnt find that one with the custom PCB, but how cool is this, from 10 years ago:
https://www.youtube.com/watch?v=v8n-0Rz7nOc
hippy
kiskubai
@Kimmo
I got sick of wondering why nobody has reverse-engineered Di2...
One of those blokes with a Di2 website had half a crack at it, but as far as I know, nobody's finished the job.
So I bought a cheapo digital oscilloscope; hopefully it has the necessary range... Just have to learn to use it now. Oh, and I need half an E-tube cable.
Then I have to bust out my very rusty and limited Arduino skills. Hopefully it's enough to catch the eye of an actual engineer who can take it beyond mere shifter replacement to re-flashing derailers to shift however we like.
Don't suppose anyone has a damaged cable lying around? Those things are expensive.