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THW,
I have heard the same thing about the lack of need of smoke after the first several hours. My first thought was just to cut a row off. But when I saw how nicely it turned the corner I figured "why not?"
In the image below I took a metal cutting disk on my dremel and made the cuts...
Its next to the element. Not right above it like the wood chip holder.
I think that the element probably won't ignite the pellets through the two layers of metal (AMNPS and metal around the element) but we shall see.
I got my amazn pellet smoker today and it seemed like there was no great place to put it in the MES 30 that I have.
I would rather not have it take up any of my racks so I decided to make a slight modification to have it sit down by the heating element.
Wouldn't be a bad option to sell them in...
Logic would have me believe the same, that 0% is 0v at 100% is 12V.
But Bryan Maryland over on ttwvb told me today that the output of the blower is actually a variable voltage output of 5V-12.1V. It never goes below 5V.
I'm not sure how your SSR is ever turning off.
Other interesting info...
I understand completely.
My heater meter got ordered yesterday so hopefully I will get to start tinkering by the end of the week.
My plan is to use the signal that goes to the servo control but modify the code so that it is a constant on or off and not PWM. Or I might use an unused pan on...
Also if you are hand with a soldering iron, consider the Heater Meter. DIY PID with 4 probes for under $100 that will give you an awesome Web interface from anywhere in the world!
I don't understand the role of the SSR. There is already a mechanical relay built in for the stock controller.
Does the heater meter cycle the heater element rapidly enough that you need to be worried about the built in relay blowing?
When you are only spending $288 you can get a pretty awesome PID and stay well under your budget.
https://www.walmart.com/ip/Masterbuilt-Digital-Electric-Smoker-140S-40/540467018
I have etched many a circuit board. I could help with the Eagle layout if you are interested.
Do you use Assemblar with the microchip? I have experience with JAL and C as well.
I am a little suprised by the lack of interest here... maybe just not the right forum, LOL.
I was going to go the...
I was able to trace the pinouts from the stock wiring harness on my new MES 30 2.5 ($55 at wal-mart!)
I'd like to use the stock thermister/thermocouple with my Heater Meter if possible.
Does anyone know the specs on the stock heat sensor?
Looking at the power board on the bottom of my MES 30 sure enough there is a 12V AC transformer... but only rated at 250 ma. Not enough to power a heater meter when rectified. It gets dropped down to 5V with a voltage regulator and that is what controls the stock controller.
His adding the resister is basically just turning the standard (not SSR) relay on all the time. Then you could wire in an SSR that is controlled by your PID.
Tiros, what microcontroller did you use? Would you be willing to share your schematics and code?
What I like best is the 5V VCC...
Do any of you gentlemen know if there is an option to add a fourth probe to the heater meter if you don't get the thermocouple? As my MES isn't going to see temps over 300'F, a thermocouple seems an overkill, but if its the only way to get 4 points of data, then so be it.
Also, looking at the...
I am going to probe some more into the wires that feed up into the stock controller. It's possible there is already a 12V source (although what amperage?).
Monkey already determined the wires that control the relay... the others are likely a VCC of either 12V or 5V or both and another...
Hey Monkey, and OP. Thanks for this info.
I just got my MES 30 at Walmart for $55 yesterday, and I see a heater meter in my future.
I completely agree that using the existing wiring and relay is the way to go, why reinvent the wheel? I would assume in the future when this relay dies, I can...
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