#include <DHTesp.h>
DHTesp dht;
TempAndHumidity data;
void setup() {
Serial.begin(115200);
dht.setup(18,DHTesp::DHT22);
pinMode(12, OUTPUT);//tri
pinMode(14, INPUT);//eco
}
void loop() {
data=dht.getTempAndHumidity();
Serial.print("Temperature :");
Serial.println(data.temperature);
Serial.println("Humidity :" +String(data.humidity));
delay(4000);
digitalWrite(12, HIGH);
delay(1000);
digitalWrite(12, LOW);
int a=pulseIn(14, HIGH);
delay(1000);
int b=a*0.034/2;
Serial.println(b);
delay(1000);
}