White wizard Temperature and Humidity sensor module. See this page : http://wizard.nestegg.jp/thsensor.html
main.cpp
- Committer:
- halfpitch
- Date:
- 2011-08-02
- Revision:
- 0:13b6d85b6dbd
File content as of revision 0:13b6d85b6dbd:
//HIH-5031 //0% = 0.6V //80% = 2.0V //H% = (80-0)/(2-0.6)*(Vout-0.6V) //MCP9700 //0C = 0.5V //100C = 1.5V //T = 100*(Vout-0.5V) #include "mbed.h" DigitalOut myled(LED1); AnalogIn ad19(p19); AnalogIn ad20(p20); int main() { float ADdata19,ADdata20,temp,humid; while(1) { ADdata19 = ad19.read()*3.3; ADdata20 = (ad20.read()*3.3); //temp = ((ADdata20*1000.0)-500.0)/10.0;//temp temp = 100*(ADdata20-0.5);//temp //humid = 43.24*(ADdata19-0.4); humid = (80.0/1.4)*(ADdata19-0.6); printf("p19 = %f V, p20 = %f V , H = %f , T = %f C \n", ADdata19, ADdata20, humid, temp); myled = 1; wait(0.2); myled = 0; wait(0.2); } }