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The heatermeter case that Bryan designed is customized to fit what ever pi you need. You just tell him which pi your using and if using a thermocouple or not at check out and he'll print the version you need. If you're printing them yourself you can use the "Open in Customer" option at...

PSA: Make sure you don't mix up the servo power and position signal wires (red and orange) within the connectors! I fried a pi last night, and not in a good way. Also, is the 3mm plug not ment to be taken in/out when the HM is powered up? Because doing so was causing the arduino to reboot...

Lol that's kind of what I was thinking too. I'm guessing the nozzle was too far from the bed for the first layer or something like that. The bottom right corner is also warped or lifted up, same for the back of the case as well. But somehow the inside surfaces all look good and the dimensions...

So I picked up one these probe spools from Bryan's store, this thing is great! I wish I had this thing 10 years ago. Got me to thinking, what about an additional "spool module" designed to hold a wall wart? If I had the 3d skills to draw something up I would but I'm still trying to learn. I...

Good to know, I'll pick up a 2A supply. In the mean time the 1a does power up the HM without the servo/blower attached yet. I sent Bryan's case design off to my local library to have it printed up and boy did they screw it up! I asked if they could give it another shot... If that doesn't...

FWIW I use the servo/damper only, without a fan even installed, on my large bge for low and slows. Works great! My thinking is that for low and slow on an efficient ceramic grill with such high thermal mass that a damper is all you need. If you're running at higher temps or a weber for low and...

I've ordered and been receiving parts for a new hm build and got my power supply in today. This will be a more standard build, my other build is a sans-rpi hack job so my following issue hadn't come up. I ordered this 12v/1a switching supply off adafruit: https://www.adafruit.com/product/798...

Are either of you using wifi? Does the steel cause any interference that you have to pay attention to?

Been a while since I've been on the heater meter forum but nice to see a smokerbuilder.net build going on over here! I've been thinking about building one of these cabinet smokers. How hot does the heatermeter shelf get? how hot would it get if it were enclosed some what for weather protection...

I wouldn't worry about the .ino. Compiling for the uno should be just fine. No need to be too worried, it wouldn't be a big deal if it were wrong, you can always reflash it.

I like it. I wonder if those servos have enough torque to operate a BGE damper. Mine is pretty 'stiff', I imagine because of its curvature where as that primo damper looks flat.

What ever floats your boat! If you want to go down the "customize heatermeter code to work for pellet" path it'll probably be easier to not to worry about the ADS1115 as the noise is already handled. But for a from scratch project, + an ESP, sounds like fun to me.

You might try a different power source.

So you're bypassing the onboard voltage regulators/caps. Maybe this is part of the issue, try powering through RAW with ~7+ volts? Also, what's that cute little resistor under the 10k ohm resistor?

For the record I'm using a 5v pro mini as well without these issues. How are you powering the mini? In your code have you tried implementing heatermeter's methods? Specifically analogReadOver? (grillpid.cpp) As far as I can tell the heatermeter stores both a temperature reading and a...

Sounds like you really just want to start from scratch for the sake of learning. Go for it! PID itself can be really simple once you study it a little bit and get your head around it. There is a arduino PID library here: http://playground.arduino.cc/Code/PIDLibrary The author also wrote a...

Good eye! I saw that too. BTW I successfully got an LED blinking on pin 7 for output% of TEMP_MEASURE_PERIOD, I just haven't had time to retrace my steps to share with you. It came down to the variable 'elapsed' in GrillPid::doWork != the elapsed time between TEMP_MEASURE_PERIOD but the elapsed...

FYI This code does not work as stated. The concept is good, just this code will take some debugging. Sorry, I don't have time this evening.

To compile the AVR code: 1) Go to HeaterMeter's github project page and download the whole project, it's really small, the entire zip file is 1mb. Here is a direct link. 2) Unzip the file somewhere 3) Go to the unzipped directory, then to HeaterMeter-master\arduino\libraries . There will four...

Digital pin 7 is still unused. I'd use that one for the auger modifications I posted earlier to get that working first as that seems to be priority. After that's going, like you were saying, you could easily repurpose the blower, blower feedback, and servo pins since they wont be needed for a...