// https://www.arduino.cc/en/Reference/LiquidCrystal // https://www.youtube.com/watch?v=dZZynJLmTn8 // https://www.youtube.com/watch?v=R-CRIthB7ZY // http://howtomechatronics.com/tutorials/arduino/lcd-tutorial/ #include #include #define DHT_APin A0 // Pin Análogico al que he conectado el sensor #define DHT_Type DHT22 // mi sensor es el DHT11 // init DHT dht(DHT_APin, DHT_Type); LiquidCrystal lcd(9, 10, 4, 5, 6, 7); // syntax: LiquidCrystal(rs, enable, d4, d5, d6, d7) int timer = 0; void setup() { // put your setup code here, to run once: Serial.begin(9600); dht.begin(); lcd.begin(16, 2); pinMode(13, OUTPUT); // 13 es el pin con el led lcd.print(" hue hue hue"); } void loop() { // put your main code here, to run repeatedly: timer--; if (timer <= 0) { // 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(""); lcd.clear(); lcd.print(t); lcd.print("C "); lcd.print(h); lcd.print("%"); lcd.setCursor(0, 2); lcd.print(hic); lcd.print("C"); digitalWrite(13, HIGH); delay(100); digitalWrite(13, LOW); //delay(60000); // 1 minuto timer = 60; } lcd.setCursor(14, 2); if (timer < 10) lcd.print(0); lcd.print(timer); delay(1000); }