![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Temperature controlled fan with hysteresis cooling
Diff: TMP36.h
- Revision:
- 0:f3f670fbc25d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TMP36.h Thu Dec 08 19:58:11 2016 +0000 @@ -0,0 +1,31 @@ +#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; +} \ No newline at end of file