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New build thread for an Electric Smoker Controller
#11
(03-22-2017, 07:16 PM)JohnW Wrote:
(03-18-2017, 03:22 AM)JeremyM Wrote: [Image: 20170317_201831_zpsssui6iav.jpg][Image: 20170317_201856_zpsvnshioix.jpg]

This is AWESOME work!!  Now I feel inspired to go buy some parts Big Grin

Thanks John! My soldering skills aren't the best but it is now a functioning piece of hardware. I am hoping to finish it up real soon and put it to work.
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#12
It's alive! Just doing some stability testing before everything gets mounted in boxes. So far so good.


[Image: 20170324_101523_zpspjd687rp.jpg]

[Image: Screenshot_2017-03-24-10-31-28_zpsitgko18d.png]

Getting there....
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#13
nice!! are the probes together or are they in different parts of smoker?

did you change the PID values or did you use the default.....is it holding pit temps well?
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#14
(03-24-2017, 04:17 PM)NailBuster Wrote: nice!!  are the probes together or are they in different parts of smoker?  

did you change the PID values or did you use the default.....is it holding pit temps well?

the probes were just hanging inside the chamber for testing. The "Pit probe" will eventually be mounted in the back wall of the smoker. The others will just be ran through the top of the vent for easy removal and cleaning. I am still waiting for the probes I am actually going to use to arrive from china.

I didn't run it very long but it seemed like the default PID settings worked fairly well. There wasn't much overshoot on the graph and it stabilized fairly quickly.

Here's the SSR mounted inside the box.
[Image: 20170324_115956_zps0tn8llwm.jpg]

It was tight but it'll work. I probably should have moved the smaller wire grommet to the top or side but I wanted to keep it at the bottom to help keep out rain. The smoker sits under a small eve so it should stay fairly dry. I plan on using silicone when i put the cover on it. I sacrificed an old pair of headphone to use the wire and 1/8" plug to control the SSR. It's not shown in the picture but will work well.
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#15
Been a little busy with trying to sell my home this week. Hoping to find some time in the next few days to finish it. It's totally functional as of now, I just need to finish up the enclosure.
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#16
Here it is nearly complete. Just using 2 thermocouples for now.
[Image: 20170330_100931_zpsrtgpybcb.jpg]
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#17
looking good.... do you have a link to those TC connectors?
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#18
(03-30-2017, 06:01 PM)NailBuster Wrote: looking good.... do you have a link to those TC connectors?

Thanks!

I don't have a link. I wish I could find one more. Those actually came out of an old project my friend was working on for his ethanol distillery.  Big Grin
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#19
Stability testing today.  
[Image: 20170331_094546_zps4adhfrfe.jpg]
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#20
dont' forget on the desktop you can right-click on the graph and share image Smile

I like seeing graphs Smile
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