ADC cal routine done!
The ADC calibration routine on startup is done in the firmware.
also sped up the ADC read code by not shutting off the ADC at all, thus no having to waitr for the startup delay.
so now we have about a 4-6 count (+/- 3 count) variance with the thermocouple reading in the air. NOT BAD!!! not bad at all :-) thats very good :-) remember we are using 12 bit AD so thats 4096 counts or approx +/- 2 mV pretty precise and repeatable.
on to the next thing on the list :-)