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ADuC7060 Demo board - RTD reading errors

Question asked by ChrisCPT on Jan 10, 2011
Latest reply on May 16, 2012 by Erland



I'm currently designing around the eval board and I encountered a problem with the sample code provided to read the onboard RTD sensor.

The termperature returned by software give almost +6°C than in reality (I have a calibrated thermometer to compare).

I tried a lot of software modifications (gain, current excitation, equation, precalibration...) but nothing seems to do the trick.


The hardware seems ok (for what I've checked).

Any assistance would be greatly appreciated.