#include "DHT.h"
#define DHTPIN 14 // Digital pin connected to the DHT sensor
// Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 --
// Pin 15 can work but DHT must be disconnected during program upload.
// Uncomment whatever type you're using!
//#define DHTTYPE DHT11 // DHT 11
#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
// Connect pin 1 (on the left) of the sensor to +5V
// NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1
// to 3.3V instead of 5V!
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor
// Initialize DHT sensor.
// Note that older versions of this library took an optional third parameter to
// tweak the timings for faster processors. This parameter is no longer needed
// as the current DHT reading algorithm adjusts itself to work on faster procs.
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
pinMode(15, OUTPUT);
pinMode(5, OUTPUT);
pinMode(4, OUTPUT);
pinMode(18, OUTPUT);
dht.begin();
}
void loop() {
// Wait a few seconds between measurements.
delay(2000);
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
int h = dht.readHumidity();
// Read temperature as Celsius (the default)
int t = dht.readTemperature();
// Read temperature as Fahrenheit (isFahrenheit = true)
Serial.print("ความชื้นสัมพัทธ์: ");
Serial.print(h);
Serial.print("% อุณหภูมิ: ");
Serial.print(t);
Serial.print("°C ");
Serial.println();
if (t >= 35) {
digitalWrite(15,HIGH);
digitalWrite(5,HIGH);
}
else {
digitalWrite(15,LOW);
}
if (h >= 60) {
digitalWrite(4,HIGH);
digitalWrite(18,HIGH);
}
else {
digitalWrite(4,LOW);
digitalWrite(18,LOW);
}
if (t <= 25 || t >= 40) {
digitalWrite(5,HIGH);
}
else {
digitalWrite(5,LOW);
}
}