Grove temperature sensor library
Dependents: Grove_Temp_Hello_world
Diff: Grove_temp_sensor.cpp
- Revision:
- 1:813f0d53a75c
- Child:
- 3:2b40039c6e54
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Grove_temp_sensor.cpp Thu Mar 10 19:20:46 2016 +0000 @@ -0,0 +1,20 @@ +#include "mbed.h" +#include "Grove_temp_sensor.h" +//Setup a new class for Grove_temp_sensor sensor + +Grove_temp_sensor::Grove_temp_sensor(PinName pin) : _pin(pin) +{ +wait(0.5); +} + +float Grove_temp_sensor::read() +{ + + double a; + a=ain.read()*1023; + resistance=(float)(1023-a)*10000/a; + temperature=1/(log(resistance/10000)/3975+1/298.15)-276.05; + //conver C to F; + temperature = (9.0*temperature)/5.0 + 32.0; + return temperature; +}