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Hopefully my last post on the subject. It looks like I need to make the following changes: 1 - Connect RJ45 Pin 8 to GND 2 - Connect RJ45 Pin 7 to top pole of double throw switch 3 - Connect the lone 100K resistor on HM 4.3 (opposed to one of the 100K resistors aligned in a bank) to middle pole...

Ok, great to hear. It looks like I'll be doing some soldering later tonight.

John, I found this It sounds like I need to connect my 100K resistor to a switch, and connect that, GND, and the probe signal wires to their appropriate places on the ethernet jack. is that correct?

Ah, thats good to know. I'll start digging through the forums. Hopefully its an easy mod to locate and implement.

I recently built one of these, but am struggling to get it to work. I built A HM 4.3, which operates as expected. When I connect the RDTC board with a TC and a temp probe, nothing changes, it still does not see any connected probes. Was I supposed to modify my HM to support this board?

I built three HM 4.1's, and just got the first one up and running with a few cooks this weekend. I was able to get a case and one RotoDamper printed from a company printer, but the case didn't turn out to my standards. I have a 3D printer coming to me in the next few weeks that i'll be...