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I'll try and make sure there's a 'Prime Directive' added, but there's not much space left in the atmega chip for all the rules :) However, with the ramps board theres like 10x the memory space available(compared to HM chip) for the program so perhaps I could instill some AI....hmmmm.....

my 'Frankenstein' mini-HM can support 4 TCs.....I just stuck with 2 for now until someone helps and makes a 'real' board....

that looks great! The TC you generously sent me in the past works really well, so if this is improved then even better! Any chance of putting a food-grade SS tip on it? Your K-type connectors are great quality too, do you have a good/cheap source for them?

It's Friday! so i thought I'd share where I'm at with that 'fun idea' about using full 3d printer controller board to run HM.... 3d controller boards have temp sensors(3x) and mosfets to control fans and such...and best of all they can be cheap and are all assembled for you. I had the parts...

fair enough about the outdoor issues....Yeah, it would be easy enough to make the host system work with it too... fyi, these nextion TFT screens are different from most others....it has an AVR and sd card on the unit to store all icons/graphics/logic...the 6K progmem wouldn't get used because...

since this may be a new 'style' of HM board.....any chance of working/support a touch display like this.... it's like under $15-20, only uses tx/rx lines to the atmega and makes it pretty. at a minimum, if you could expose a connector on the board for this as an option for people....I'd work...

hey, this project is back from the dead....like its Halloween :) colder weather means some more time to work on unfinished ideas....I made a prototype board, would of liked it to be smaller but I'd have to learn how to make 'real-boards' first....so I used what I had on hand to get an idea. I...

that looks great!!

I'm just using a mosfet IRLZ44N to drive the fan(5v 150ma)....I'm not concerned about the fan(I wasn't going to use one at all), but I decided to put one in and it will only come on at 90-100% (servo 0-90%). About the freerunning ADC, I have no Probes set as INTERNAL probetype (added new pt...

FYI....I've got an 8Mhz arduino pro mini 3.3v board working with HM code(well my personal 'slim-downed' fork of the HM code) on a test bed. It controls servo/fan with no issues that I can see. I didn't change anything with timing/cpuclock with the HM code. I don't know about the ADC because...

The question is to see how much more time it would take (assuming it would be enough air) with the damper fully open (without any fan) to get your temperature back up when it started to fall (did the fan 'boost' cause the overshoot at first 50%?).... Considering what SteveCK said, I guess I...

for my kamado, I usually smoke around 220-340 (don't do any high-temp cooking with HM)..... I think it's been said that for low-slow that the fan is hardly used to maintain temps, so would I be missing anything/control with just a servo controlled damper (no fan at all?)....other than...

yeah, I keep on 'forgetting' about LinkMeter, as I don't use it. I've been using the Esp8266-Thingspeak route for over 20 cooks so far and it works great for me(I think I'm the only one using it). The esp32 modules should come with 16MB external flash (8266 are now that size) so it should be...

Looks like a nice board for current code.... I'm getting 'excited' about the new esp32 With all that goodness in one chip it looks like it could be a nice solution for a 'future' port/version (atmega is getting pretty limiting now).....trying to get one asap....

I wonder (if it hasn't been discussed before?) about the semi-automatic mode...where on a kamado (or other grill I guess) that you set the manual openings to a bit below your target and use the servo/fan to assist the remainder. For example, if I want to set a 280f setpoint, I know on my...

Funny....I see 'patent pending'.....wonder if "prior art" will be filled out on the application :) Still...our design with your blower/servo and all-in-one design will cost under $50.....gotta love DIY projects ;)

looks good....if you want to add wifi server easily you can try my eSP8266 wifi webserver library....very simple to add to your existing project. Source code is here....

just an FYI....anova is having mothers day special $50 off....$129 USD.....tempting...

interesting....on my arduino setup I don't get that big of a swing in AD probe readings...works pretty well. What power are you feeding the pro mini with? 5v or using its Vin/Raw?

are you using any capacitors to filter out the AD reading(makes a big difference)? How often are you reading the PIN? once you get the temp you can 'smooth' out the reading using a running avg.... sample code of running avg...you can modify the alpha //running avg. float alpha = 0.05; //...