Fred wrote: That is great, but there is no point ignoring the fact that he is obviously talking about designing the circuit to read the otherwise useless sensor and continuing to talk about the sensor voltage. Knowingly talking at cross purposes does no one any good, wouldn't you say?
Fred.
I do agree and I was simply attempting to respond to this request :
jharvey wrote: What is the temperature range we are looking to measure? Do we care about - temps? These thermo couplers are intended to be in the exhaust gasses right?
Can the brain ADC convert negative voltages? I suspect it can not. I'm assuming the ADC will range from near 0V up to near 5V. Is 10mV/C a good accuracy? I suspect it will suffice.