DHT22 tester (p21) (p22) 4,7kR pullup
Dependencies: mbed
Fork of Solar by
main.cpp
- Committer:
- Tuxitheone
- Date:
- 2017-07-01
- Revision:
- 4:e2c50e38f7e0
- Parent:
- 3:ae94f568bde5
File content as of revision 4:e2c50e38f7e0:
#include "mbed.h" #include "DHT.h" RawSerial pc(USBTX, USBRX);//Serial LOG DHT dht21(p21,DHT22); //Udendørs temperatur DHT dht22(p22,DHT22); //Udendørs temperatur float UdeTemp1; float UdeHym1; float UdeTemp2; float UdeHym2; int main() { while(1) { int err=dht22.readData(); wait(2.0); if (err==0) { UdeTemp1=dht22.ReadTemperature(CELCIUS); UdeHym1=dht22.ReadHumidity(); int err=dht21.readData(); wait(2.0); if (err==0) { UdeTemp2=dht21.ReadTemperature(CELCIUS); UdeHym2=dht21.ReadHumidity(); } //Serial Log pc.printf("Temp:\r\n"); pc.printf("DHT22: %.2fC %.1f% \n\r",UdeTemp1,UdeHym1); pc.printf("DHT21: %.2fC %.1f% \n\r",UdeTemp2,UdeHym2); pc.printf("\n\r"); wait(2.0); } } }