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Frédéric Blanc, 2021-05-20 10:51
NTC capteurs température¶
https://www.giangrandi.org/electronics/ntc/ntc.shtml
ex R0=50K B=3950 T0=25°C =>298.15°K
voltageDividerR1 = 3300 //tension pont 3.3V BValue = 3950 //constante NTC R1 = 10000 //résistance pont 10K T1 = 298.15 // temp 25°C NADC= 2^N-1 //bits ADC R2 = (voltageDividerR1*mesure)/(NADC-mesure) e = 2.718281828 a = 1/T1; b = log10(R1/R2) c = b / log10(e) d = c / BValue T2 = 1 / (a- d) tempcelsius=T2 - 273.15
Updated by Frédéric Blanc over 3 years ago · 3 revisions