That sounds about right 
I ended up using this tutorial/code; http://bildr.org/2011/05/mpr121_arduino/ It’s linked to from Sparkfun, and works nicely for me. You could give it a try.
That sounds about right I ended up using this tutorial/code; http://bildr.org/2011/05/mpr121_arduino/ It’s linked to from Sparkfun, and works nicely for me. You could give it a try.