Getting the following error when I complile the code, am I missing something?
sketch_may22a:102: error: 'PID' does not name a type
sketch_may22a.ino: In function 'void PID_HEAT()':
sketch_may22a:240: error: 'myPID' was not declared in this scope
sketch_may22a:244: error: 'myPID' was not...