arduino/sketch_feb13b_DHT11_temp_hum/sketch_feb13b_DHT11_temp_hu...

45 lines
1.2 KiB
C++

#include <DHT.h>
#define DHT_APin A0 // Pin Análogico al que he conectado el sensor
#define DHT_Type DHT11 // mi sensor es el DHT11
DHT dht(DHT_APin, DHT_Type);
int ledPin = 13;
void setup() { // put your setup code here, to run once:
Serial.begin(9600);
dht.begin();
pinMode(ledPin, OUTPUT);
}
void loop() { // put your main code here, to run repeatedly:
delay(60000); // 1 minuto
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
float h = dht.readHumidity();
float t = dht.readTemperature(); // lectura en Celsius, readTemperature(true) para Fahrenheit
if (isnan(h) || isnan(t)) {
Serial.println("E"); // E = error, para el script en python que lee
return;
}
// Compute heat index in Celsius (isFahreheit = false)
float hic = dht.computeHeatIndex(t, h, false); // sensación térmica
// D = DHT, para el script en python que leerá esto
Serial.print("D h:");
Serial.print(h);
Serial.print(" t:");
Serial.print(t);
Serial.print(" i:");
Serial.print(hic);
Serial.println("");
digitalWrite(ledPin, HIGH);
delay(100);
digitalWrite(ledPin, LOW);
}