NTC Thermistor class.
Dependents: FermenterTempArray
Fork of Thermistor by
NTCThermistor.h
- Committer:
- macht
- Date:
- 2014-09-09
- Revision:
- 3:e9f38dc974f8
- Parent:
- 2:b052ac698148
File content as of revision 3:e9f38dc974f8:
#ifndef NTCTHERMISTOR_H #define NTCTHERMISTOR_H #include "mbed.h" #include "math.h" /** *NTC Thermistor class */ class NTCThermistor { public: /** Create a NTC Thermistor instance *@param T0 basic temperature[degrees/celsious] *@param R0 basic resistance[ohm]. Thermistor takes this resistance at basic temperature T0. *@param B B-parameter. */ NTCThermistor(float T0,float R0,float B); /** Transfer temperature from resistance. *@param R resitance of NTC thermistor */ float trans_R2T(float R); //transfer resistance to temperature(degrees) private: float R0_; //basic resisitance of thremister at basic temperature float T0_; //basic temperature[°C] float K0_; //basic temperature[K] float B_; //B constant }; #endif /* float R2T(float input){ float K0 = T0+273.0; float K = (B*K0)/(K0*log(input/R0)+B); float temp = K-273.0; return temp; }*/