hello guys; i am trying to use pid controller code , so i had simple code from arduino library. the error was PID myPID(&Input, &Output, &Setpoint,2,5,1, DIRECT); and the compiler wrote 'PID' dose not name a type , :cold_sweat: thanks

compiling error

system April 15, 2014, 11:32am 2

Did you include the PID-class definition?

#include<...>

Please add the code next time, otherwise it is more guessing than helping

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