Hi BSTRobin, yes this ist exact the file I used: https://github.com/boschsensortec/BME68x-Sensor-API/blob/master/examples/self_test/self_test.c but with the result I wrote. I tried to compile the files in the *.zip container but without success, because some include files are missing. Can you tell me why I got for example "data[0].idac == 0x00" and not "data[0].idac != 0x00"? It's one reason why I got an errror. Best Regards, Rolo
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