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Better yet....buy yourself a whole bone-in rib roast. Cut the meat off the bones to create a nice prime rib roast, and leave a nice healthy portion still attached to the bones that you can use for making beef ribs. Best ribs you'll ever eat.

My thermoworks probes are very erratic. They work great on all test runs in the house with freezing/boiling water, they'll read precise temperatures for hours. However once I get them out on the grill they go crazy. They'll be stable for a while, and then they seem to lose their mind and have...

Leave all the components in the little anti-static bags they came in. Find the bag with the 10k resistors, take them all out and find where on the board each of them goes. Then repeat for the 1k resistors, etc. etc. It's much easier to use the description on the bag than to use the color...

Just curious....how do you change the y axis of the graph to show a much tighter range? Mine always a range down to 40F or so.

Ahh that makes sense. I was sliding the entire mount from the left to the right. For the next mount I make I'll measure much more carefully so that I can use your method.

On my mount, the 1" tube protrudes about 1/8" through the metal plate, and I too experienced the same difficulty as Geoff when trying to slide it in and out of the bottom vent slide grooves. There must be some subtle difference between the green egg and vision bottom vent slide groove...

Geoff, now that I look more closely at your picture, what is that red thing that looks like a twizzler coming around the left side of your bottom vent?

I also got your design printed and like Geoff I tested it out on my vision kamado. However my results were terrible. My PID setup is the default coefficients except B=1, and I set it for the fan to come on only at max. Unfortunately I don't have the graphs to post. I tried regulating 215F...

Thanks for posting the pictures of your top vent cap. I don't have a green egg, instead I have a vision kamado which is pretty similar. Before building the heatermeter, when I ran the vision in manual mode I had to close down my top vent a lot to keep temperatures in the 225-250 range, much...

I got this printed and assembled, and I'm about to give it a try. How far open do you keep your top vent, now that the servo damper is severely restricting the airflow? Previously when running with a fan only, I had to shut the top vent to almost completely closed. I assume I want to set it...

I think it's also a good idea to use a rj45 connector, but would be ideal to differentiate it somehow. Do they make male pcb rj45 connectors? If not can you find a connector that is upside down or a different color than the pi connector?

I checked your coefficients in boiling water. I compared to a maverick 732 probe, and a thermoworks instead read thermometer(not a thermapen). The calculated theoretical boiling point of my elevation is 211.9F Results: Thermoworks probe: 214F Maverick 732 probe: 216F Instant read: 211.5F...

How is the housing secured to the 1" aluminum tubing? Is there a screw that secures it, or is it simply a "snug fit"?

Can you post your new coefficients for the thermoworks probe?

It would be nice to have a small PCB with 3 probe jacks on one side, and a cat5 jack on the other side, and a couple of through hole spots for soldering the blower/fan wires to. And then find a spot in the plastic housing to locate this.

So if MAX=30%, and "PID OUTPUT"= 50%, then the fan power will be 15%? I was under the impression that the MAX just clipped values above 30, but it sounds like I was wrong and that it's actually changing the gain.

The cat5 distance limitations only apply because of the fast signaling rate being transmitted across the wires. The signals from the servo/blower/probes are extremely slow, so that is not a concern at all. What could be more of a concern is the resistance of the wire since it will be in series...

I think I found a minor bug. The heatermeter had detected an open lid condition. During the 240s countdown I went to manual fan mode. This caused the 240s counter to stop counting, and during this time I was unable to adjust the fan speed manually. The only way out of this mode of operation...

Wow that was quick! I ordered 2 of these probes, but they won't be here until next week. I'll run them through a temperature characterization to see if I get similar coefficients as you. The fact that they react more quickly than the mavericks should be a good thing, right? However, that may...

I know you don't yet have the proper coefficients, but have you made an initial quality assessment of the thermoworks probes? Do they seem much higher quality and less likely to break than the maverick probes?