My first Spark project is a PID charcoal smoker controller. With the help of these great forums I must say that it is a huge success. I have written an android app with MIT app inventor and am using google docs to graph the results.[image] [image] [image] [image] I am using a FQP30N06L logic l…

awesome. i was halfway through building the exact same thing, and got distracted! do you mind sharing your schematic and code? I have a few maverick ET732’s sitting on my desk for this exact purpose!

// This #include statement was automatically added by the Spark IDE. #include "LiquidCrystal_I2C.h" // This #include statement was automatically added by the Spark IDE. #include "PID_v1.h" #include "math.h" #define PWM_FREQ 20000 // in Hertz (SET YOUR FREQUENCY) for analogWrite2 #define pitPin…

[image] jdmaharrey: MIT app inventor Which PID library did you use? I am looking to port my arduino sous vide machine to Spark, I used the standard Arduino one link Did you need to make many changes? I like your app - do you know of an iphone equivalent easy to sue app creator?

@gorstj I used the PID library that you linked with no modification. I don’t know that there is an equivalent app builder for iOS, but you should checkout @bdub ’s webapp thread under project share. I think that’s the route I will take for iOS and Spark. Be sure and post your sous vide when its up an…

Nice work! I popped a web interface on top of Bob Hruska’s tempmon project a while back and am now planning to port it over to use a Spark Core. Bob wrote some great math to calculate the ramp up blower control to “ease” in to a set point. Worked great on my Ugly Drum Smoker . Anyway I noticed you ha…

@szac Thanks! Yes the servo is to close the blower to choke the coals if the temp gets to high. It is working pretty well.

do you have a wiring diagram for this?

looking for help i have a QMaster-jr bbq temp controller that i have a 225 set point but once the temp gets to 150 fan turns off do you think i need to adjust the P right now the P=30 seconds I=240 seconds D=60 seconds

[image] Dave1955: QMaster-jr hey @Dave1955 i dont think this will be the best forum to get help with the QMaster....but what you will find here are some awesome people building a REPLACEMENT for your Qmaster. keep an eye our for "SmartBBQ". a few people here are already working on the protot…

Hi al… Do you have the code to read the maverick probe adc values?, how do you hook it up? I’m trying to find a way to implement something similar to this!!

PID Smoker Controller

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avidan December 21, 2014, 9:12am 13

this thread has an awesome walk through

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PID Smoker Controller

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