Arduino 1.0 compliant
Added windup prevention to assist Integral term
Added Integrative controller for full PID - now to tweak parameters!
Added Derivative controller (now PD) to remove overshoot
Basic Proportional Controller (essentially the same as the 'bang-bang')
Added plant Error to serial output
added relay and basic 'bang-bang' control: try to stabilize @ 100degC…
…! now to take some data...
Added time keeping & serial logging. Moved temp & LCD code to interrupt.
Added a once-a-second ticker using Timer 1 interrupt
First version, basically the LCD thermocouple example script