name=PID version=1.1.1 author=Brett Beauregard maintainer=Brett Beauregard sentence=PID controller paragraph=A PID controller seeks to keep some input variable close to a desired setpoint by adjusting an output. The way in which it does this can be 'tuned' by adjusting three parameters (P,I,D). category=Signal Input/Output url=http://playground.arduino.cc/Code/PIDLibrary architectures=*