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Direction on pulling data from pellet stove (pellet-stove-parts-4less.com)

submitted 9 months ago by [email protected] to c/[email protected]

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Howdy, long time lurker!

I was wondering if anyone could give me a hand with trying to pull data from my Harmon Absolute43 pellet stove. Looking at the board, I see an RJ45 connector and thought "seems like a wireshark-like sniffer would do the job".

However, all searches end up looking at networking rather than simple data sniffing. Any ideas as to how to add a "bridge" that also stores the data? From there, I can do the publishing side of things, just the hardware component for me has me scratching my head.

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[–] [email protected] 1 points 8 months ago (1 children)

I do not! Any suggested ones I could try to find?

My plan is to replicate the wire layout. So first, just use a random 5e and compare the wires. Best case they were lazy and it's just the same layout with different pin outs. Worst case I'm making a new cable with my large box of cat 6.

Wave and holler if that plan is naïve 🙂

[–] [email protected] 2 points 8 months ago

I bet it is something simpler than Ethernet. I would open it up and look at the board. First I would look for magnetics because that would indicate Ethernet. I would look for labels on the silkscreen. I'll bet it is something simple.