Ratiometric measurement of temperature with a thermistor (#18)
- replace TMP36 with a thermistor NTC 100k
- put back 1nF cap between AREF and GND
- wait 150us for the cap to discharge before converting with 1.1V reference
- uint16_t is enough for 16x ADC
- SMD footprint instead of TH for thermistor
- calculate temperature
- rounding of temperature compensated relative humidity
- no need for battery voltage in mV
1 parent ee3d2fa commit 345c266b9934b78a899f86dce9cc3a00439ef0f9
@Torsten Römer Torsten Römer authored on 13 Jun 2023
GitHub committed on 13 Jun 2023
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thermidity-avr/meter.c
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thermidity-avr/meter.h
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