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Temperature controlled fan with hysteresis cooling
TMP36.h
- Committer:
- bryanbates
- Date:
- 2016-12-08
- Revision:
- 0:f3f670fbc25d
File content as of revision 0:f3f670fbc25d:
#include "mbed.h" //Setup a new class for TMP36 sensor class TMP36 { public: TMP36(PinName pin); TMP36(); operator float (); float read(); private: //class sets up the AnalogIn pin AnalogIn _pin; }; TMP36::TMP36(PinName pin) : _pin(pin) { // _pin(pin) means pass pin to the AnalogIn constructor } float TMP36::read() { //convert sensor reading to temperature in degrees C return ((_pin.read()*3.3)-0.500)*100.0; } //overload of float conversion (avoids needing to type .read() in equations) TMP36::operator float () { //convert sensor reading to temperature in degrees C return ((_pin.read()*3.3)-0.500)*100.0; }