We are all makers
This project was inspired by Cooking for Geeks author Jeff Potter’s quick DIY sous-vide hack. My plan, initially, was to just hack the controller into an enclosure with an A/C outlet, the idea being that you could just plug any heater you wanted into the outlet.
Looking around for cheap temperature controllers, however, I happened across the STC-1000 on eBay for $25. It’s not PID, but I was betting it would still be accurate enough for almost any practical purpose. And since the STC-1000 has both heating and cooling functions built-in, the logical next step seemed to be to split a single A/C outlet so that you could plug a heater or a cooler (or both) into it and use it for all kinds of stuff.
The STC-1000 will regulate at any temperature between the freezing and boiling points of water, which opens up potential applications in chemistry, aquaculture, zymurgy, hydroponics, cooking, etc., etc.
Where is the PDF template?
Found it here: http://make-documents.s3.amazonaws.com/itKNJdNUIL1YMfTA.pdf
Thanks, Jason, and sorry for the error. Updated Step 3 with a link.
What type of temperature sensor did you use?
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Great post, thank you!! I would love to make one but when I click on the template, I get an error saying you do not have permission to view it.