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Ac temperature pid control - Electronoobs Q&A

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+1 vote
Good day! I would like to ask why the pid control is not working. The temperture just gets higher and higher. Im pretty sure the circuit u did is correct though i made some variation (3 band heaters instead of 1). I used the extracted arduino file and made no changes to the main code (i used serial monitor instead of lcd only). What do you think is the problem? It would help me very much thanks :)
asked by (220 points)

1 Answer

0 votes
For your setup you might have to change the PID variables. With too high constants for PID your circuit might overheat,!
answered by (33.8k points)
Good day Sir/Maam! Do you have a sample formula with solution on how got the PID constants? I having a hard time in doing trial and error cause i don't have a basis whether i should continue or stop increasing the  constants' value. Thank you for your unending support to us:)