36 lines
1.6 KiB
Markdown
36 lines
1.6 KiB
Markdown
# Temperature Sensing
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In order to configure coolant temperature sensor or intake air sensor you would need to know it's resistance at three temperatures - lowest, highest and somewhere in between. You would also need to know the value of pull-up 'bias' resistor, which together with your sensor would make a voltage divider.
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While troubleshooting CLT and IAT, the two most useful console commands are `analoginfo` and `tempinfo` - these show you the voltage registered by rusEFI alongside with input pins and resistance processing values.
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See also [Measuring Temperature](http://rusefi.com/articles/measuring_temperature/)
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See also [Frankenstein Analog Inputs](Hardware-Frankenstein#step-3-analog-inputs)
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See also [Frankenso Analog Inputs](Hardware-Frankenso#analog-inputs)
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See also [Troubleshooting](Troubleshooting)
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## Some data points
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[1996 Dodge RAM 1500 V8 Temp spreadsheet from FSM - Forum](http://rusefi.com/forum/viewtopic.php?f=3&t=864&start=60#p15344)
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MLX90621
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[MLX90620 / MLX90621 - 16X4 pixel IR thermal array](http://forum.arduino.cc/index.php?topic=126244.0)
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[Broken Link](http://www.melexis.com/Asset/Datasheet-IR-thermometer-16X4-sensor-array-MLX90620-DownloadLink-6099.aspx)
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[Transition from MLX90620 to MLX90621](https://www.melexis.com/en/documents/documentation/how-it-works/how-it-works-transition-mlx90620-mlx90621)
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