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denkitronik / ADS1118

Arduino Library for Texas Instruments ADS1118 - 16-Bit Analog-to-Digital Converter with internal Reference and Temperature Sensor
MIT License
20 stars 15 forks source link

Totally meaningless results #11

Open FrankHovis opened 3 years ago

FrankHovis commented 3 years ago

Using the example ads1118example sketch, changed to ads1118.setInputSelected(ads1118.AIN_0) on an Arduino Nano I get very random results with this library. Why does the temperature reading vary wildly?

22.3125020000mV 9.718750 C 22.3125020000mV 9.937500 C 22.3125020000mV 10.156250 C 22.3125020000mV 10.531250 C 22.3125020000mV 10.656250 C 22.3125020000mV 11.031250 C 22.3437520000mV 3.656250 C 22.3437520000mV 10.343750 C 22.3437520000mV 10.062500 C 22.3437520000mV 10.218750 C 22.3437520000mV 10.250000 C 22.3437520000mV 10.218750 C 22.3437520000mV 10.218750 C 12.0156260000mV 10.281250 C 22.3437520000mV 10.343750 C 22.3750000000mV 10.312500 C 22.3750000000mV 10.531250 C 22.3750000000mV 10.812500 C 22.3750000000mV 22.375000 C 22.3750000000mV 11.968750 C 22.3750000000mV 11.156250 C 22.3750000000mV 11.187500 C 22.3750000000mV 10.937500 C 22.3750000000mV 10.781250 C 22.3750000000mV 0.000000 C 22.4062500000mV 22.406250 C 22.4062500000mV 0.000000 C 22.4062500000mV 0.000000 C 22.4062500000mV 0.000000 C 22.4062500000mV 0.031250 C 22.4062500000mV 8.937500 C 22.4062500000mV 9.906250 C 22.4062500000mV 10.125000 C 22.4062500000mV 10.781250 C 22.4062500000mV 10.656250 C 22.4062500000mV 10.437500 C 22.4062500000mV 10.593750 C 22.4062500000mV 10.468750 C 22.4062500000mV 10.718750 C 22.4062500000mV 11.000000 C 12.5625000000mV 10.906250 C 22.4375020000mV 11.593750 C 22.4375020000mV 11.750000 C 22.4375020000mV 0.125000 C 22.4375020000mV 0.093750 C 22.4375020000mV 0.000000 C 22.4375020000mV 0.000000 C 0.0000000000mV 0.000000 C 22.4375020000mV

Fluxanode commented 2 years ago

I am wondering also. Was there a response to this query?

Fluxanode commented 2 years ago

Bump