This lab is an application of feedback control for a temperature control device. Complete instructions are available from http://apmonitor.com/do/index.php/Main/ArduinoLab in the temperature control lab description but is modified to be a multiple-input-multiple-output (MIMO) system. The lab is an exercise for the online course on Dynamic Optimization (http://apmonitor.com/do).
Complete instructions, source code, and part lists are available on the course web-site. Thanks to Jeff Griffiths and Abe Martin for their work on the source code and lab design.