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PID temperature control

Here is a pic I took last night of the first "trial by fire" of my homemade temperature control setup. I mostly used stuff I had already in my shop such as the stainless sheet metal, 12vdc power supply and computer fan. I bought the PID controller off of ebay for $20, it came with the thermocouple. It has an auto tune feature that set the PID parameters. I haven't done a lo n slo cook with it yet but I did test it on the egg with a set point of 305*F it held it +/- a couple of degrees for about an hour before I shut it down. I need to do more testing at lower temps, I only chose 305* cause that's where it was when I started testing. I'm posting this from my phone, so I apologize in advance if the picture doesn't post correctly or is the wrong size or whatever. I posted this under my intro post at first, then after thinking about it, decided to redo it here. image
Sorry I can't seem to get the pic rotated correctly, it's right side up before I post it, but then....

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