On Sun, Jun 29, 2014 at 8:40 PM, Nathan Asdourian <rawliquid@xxxxxxxxx> wrote: [ ... arduino ... ] The Arduino is an incredibly awesome tool for its intended purpose: Enabling artists to produce interactive art. Beyond that my opinions of Arduino drop off dramatically. (I'll reserve the remainder of my rant until asked.) > That said, it should be taken into consideration that you could get an > actual pid controller for around the same price as an arduino uno r3. I too would agree that a COTS PID controller is the preferred way to go *IF* it includes the capabilities to do the temperature profile out of the box. If you need to add a microcontroller to the PID box to adjust the temperature, you are doing things completely wrong. [ ... description of software functionality ... ] I think we should let the person who volunteered to write the code make a proposal as to what features he is willing to provide. -p.