46 lines
879 B
Arduino
46 lines
879 B
Arduino
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#include <DHT.h>
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#include <DHT_U.h>
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#define DHTPIN 2
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#define DHTTYPE DHT11
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int red = 7;
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int green = 5;
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int yellow = 6;
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DHT dht(DHTPIN, DHTTYPE);
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void setup() {
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pinMode(red, OUTPUT);
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pinMode(green, OUTPUT);
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pinMode(yellow, OUTPUT);
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Serial.begin(9600);
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dht.begin();
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}
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void loop() {
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delay(2000);
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float humidity = dht.readHumidity();
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float temp = dht.readTemperature();
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Serial.print(F("Humedad: "));
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Serial.print(humidity);
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Serial.print(F("% Temperatura: "));
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Serial.print(temp);
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Serial.print(F("ºC "));
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if(temp >= 28){
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digitalWrite(red, HIGH);
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digitalWrite(green, LOW);
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digitalWrite(yellow, LOW);
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} else if (temp >= 20 && temp <= 26){
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digitalWrite(red, LOW);
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digitalWrite(green, HIGH);
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digitalWrite(yellow, LOW);
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} else {
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digitalWrite(red, LOW);
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digitalWrite(green, LOW);
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digitalWrite(yellow, HIGH);
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}
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}
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