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Bryan, do you have the file for that design? Would love to use it on mine!

Steve, mind sending me your PID settings?

just wired mine the other day and used the normal wiring directions. maybe something was turned around?

ok so dont use the water pan.... got it!

Running my first run with HM this weekend after a few test runs dialing it in. the only thing i didnt do was a water pan. I normally used a water pan to help regulate the temps but with the precision of the HM it didn't seem necessary. Just wanted to hear what others do.... let me know thanks!

Here is my test with heatermeter 4.3 and microdamper setup. This is on my 18" Kamado Joe. Short test due to rain forecast and didn't feel like having to come up with a waterproofing setup. Used the same Pid settings as Bryan's BGE...

Canakit still has them in stock for board only. get them while they last!

bought mine pi zero w from CanaKit and got it yesterday. took less then a week.

Steve thanks for the quick reply. I sent you an email.

Steve, was wondering if there was a way to test the servo. Seems to be working fine with the fan but the servo doesn't move at all. Thanks in advance. Joe

Wish i would have known this during my build. :)

give it a good cleaning with some isopropyl alcohol. try to get 99%. 90% works as well. you have flux everywhere and it needs a good cleaning. https://www.amazon.com/99-Isopropyl-Alcohol-Antispetic-Solution/dp/B00BWYM006 second the soldering around the 12v needs a touch up on all pins. same...

John, thanks again for the help. Yeah i would have never have found those with what i was doing. I really appreciate you helping me out. Much thanks! Ralph and Steve, thank you as well!

Steve and Ralph, by the time i got to read your posts i had already shipped the device to John. He should have it by thursday. Thank you guys for the help. i learned a lot in the past few days! John, FYI your mailbox is full. :)

John thanks so much. IM sent.

I was looking over a few of my pics and noticed that 1 of my capacitors (directly across from BFB on ATmega) may need a reflow as it doesn't look like solder went all the way through. Now i have reflowed most of the board after this picture was taken, so i am not sure if it is still in the same...

still nothing from the atmega. anyone willing to let me send them the board and see whats going on? i am at a loss.

Steve, funny you should say that. i tried a second rpi3 and same results. i will give the board a good cleaning and see what happens

i went through the posts and all of them are talking about a regulator in the wrong position. I am 100% certain mine is in the correct position. i even swapped out the atmega just in case and the same thing occurs. all voltages seem correct and i verified tx and rx from the atmega to the 26 pin...

Ralph, yes i am reading through them now. yes i verified 3.3v at regulator and at the ATmega. it seems like the rpi is not seeing the HM board. what pins do i need to be concerned with on the 26 pin connection ?