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Michael Stapelberg

Nuki Opener on SCS bus: Series Overview (2021)

published 2021-03-14, last modified 2023-01-22
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When I bought a Nuki Opener, I had a lot of trouble getting it to work — it turns out the device doesn’t properly decode the SCS bus at all, and only captures and replays the signals with a generic code path. This approach does not work well with the SCS bus, where every signal is repeated three times. The repetition is good for reliability when decoding SCS, but bad for the pattern matching and replaying approach the Nuki uses.

I wrote three blog posts about this issue:

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