HEPTA-Sat Training 2019
DHT11 program
Connection
Vcc → 3.3V ~ 5V (supply voltage)
GND → GND
DATA → p15 (mbed AnalogIn)
main.cpp@0:d743365e4ee4, 2019-11-06 (annotated)
- Committer:
- HeptaSatTraining2019
- Date:
- Wed Nov 06 18:09:06 2019 +0000
- Revision:
- 0:d743365e4ee4
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| HeptaSatTraining2019 | 0:d743365e4ee4 | 1 | #include "mbed.h" |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 2 | #include "Dht11.h" |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 3 | |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 4 | Serial pc(USBTX, USBRX); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 5 | Dht11 sensor(p15); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 6 | int temp,humid; |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 7 | |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 8 | int main() { |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 9 | while(1){ |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 10 | sensor.read(); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 11 | temp = sensor.getFahrenheit(); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 12 | humid = sensor.getHumidity(); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 13 | temp = (temp - 32.0)/1.80; // Fahrenheit --> Celsius |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 14 | pc.printf("T: %d, H: %d\r\n", temp, humid); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 15 | wait(1.0); |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 16 | } |
| HeptaSatTraining2019 | 0:d743365e4ee4 | 17 | } |