If you're coding PID up from scratch, I highly recommend reading http://brettbeauregard.com/blog/2011/04/improving-the-beginners-pid-introduction/ :-)
@tve started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
If you're coding PID up from scratch, I highly recommend reading http://brettbeauregard.com/blog/2011/04/improving-the-beginners-pid-introduction/ :-)