59 lines
1.1 KiB
Arduino
59 lines
1.1 KiB
Arduino
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#include <DHT.h>
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#include <DHT_U.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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LiquidCrystal_I2C lcd(0x3F, 16, 2);
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#define DHTPIN 2
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#define DHTTYPE DHT11
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int rojo = 7;
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int verde = 5;
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int amarillo = 6;
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DHT dht(DHTPIN, DHTTYPE);
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void setup() {
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pinMode(rojo, OUTPUT);
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pinMode(verde, OUTPUT);
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pinMode(amarillo, OUTPUT);
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Serial.begin(9600);
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dht.begin();
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lcd.init();
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lcd.backlight();
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}
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void loop() {
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delay(2000);
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float humedad = dht.readHumidity();
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float temperatura = dht.readTemperature();
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lcd.setCursor(0,0);
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lcd.print(F("Humedad: "));
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lcd.print(humedad);
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lcd.print("%");
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lcd.setCursor(0,1);
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lcd.print(F("Temp: "));
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lcd.print(temperatura);
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Serial.print(F("C "));
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if (temperatura >= 28){
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digitalWrite (rojo, HIGH);
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digitalWrite (verde, LOW);
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digitalWrite (amarillo, LOW);
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}else if(temperatura >= 20 && temperatura <= 26){
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digitalWrite (rojo, LOW);
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digitalWrite (verde, HIGH);
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digitalWrite (amarillo, LOW);
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}else{
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digitalWrite (rojo, LOW);
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digitalWrite (verde, LOW);
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digitalWrite (amarillo, HIGH);
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}
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}
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