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5G question #1

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icedman opened this issue Jul 29, 2021 · 2 comments
Open

5G question #1

icedman opened this issue Jul 29, 2021 · 2 comments

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@icedman
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icedman commented Jul 29, 2021

is the 5G clickwheel confirmed to work with the same protocol?

@Gigahawk
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As far as I know the protocol should be the same, however the connector is small enough that I was unable to actually assemble a breakout to test it.

The 5G connector has an extra 5 pins compared to the 4G, which makes sense since the 5 clickwheel buttons are external on the 5G.

I'll attach some pictures of the reverse engineering I did to design the breakout at https://github.com/Gigahawk/clickwheel_breakout_5th_gen

connector wiring
connector wiring2
datasheet wiring

I never got far enough to figure out what pins are actually used for data, but I suspect it's the ISSP pins carrying the actual data, but if you have the skills or can pay for PCB assembly I would just make a breakout and probe the pins yourself.

@icedman
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icedman commented Jan 6, 2023

Thank you for the info. 5G wheels are easy to purchase from aliexpress. I might try it out.

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