#include "DHTesp.h"

#define Balarm  13
#define pitch  262 

DHTesp dhtSensor; 
TempAndHumidity data; 
const int DHT_PIN = 15;

void setup() 
{
// put your setup code here, to run once: 
Serial.begin(115200); 
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(Balarm, OUTPUT);
}
void loop() {
data = dhtSensor.getTempAndHumidity(); 
Serial.println("Humi: " + String(data.humidity));
Serial.println("Temp: " + String(data.temperature));
Serial.println("-----------"); 

if(data.temperature > 40)
{
myTone(Balarm);
}
else
myNoTone(Balarm);

delay(100);
}

void myTone( int pin)
{
  ledcAttachPin(pin, 0);             // pin, channel
  ledcWriteNote(0, NOTE_A, 4);    // channel, frequency, octave
}

void myNoTone( int pin)
{
  ledcDetachPin(pin);
}