Hello Alex here are some links for the stuff you will need for
cotroling your oven.
Fuzzy logic controler with pluse output to control for solid state
relay
type K thomocouple
solid state relay
This is the same setup I have and it will hold the temp. within 2 deg.
What kind of heating element ar you going to use?
If you have more questions just ask.
Tim Kallam

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