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

submitted 7 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] 2 points 7 months ago

Ah, fair enough.

Honestly it seems like the easier route, instead of trying to intercept the control boards signals, would be a thermistor/thermocouple and a direct connection to the low fuel indicator (either the input sensor, or output led. Perhaps via a photodiode like the other guy mentioned).