Code_IoT_OtherSensors

//for actual code you may contact at Email ID : tusharpaul2001@gmail.com
//some part of the code is private, so you may contact through email 


const int trigPin = 5;
const int echoPin = 18;

#define SOUND_SPEED 0.034
#define CM_TO_INCH 0.393701
                                         //ultasonic Sensor
double duration;
double distanceCm;
//float distanceInch;

#include <DHT.h>
#define DHT_SENSOR_PIN  23 // ESP32 pin GIOP21 connected to DHT22 sensor
#define DHT_SENSOR_TYPE DHT22                                                     // for Humidity and temperature sensor  DHT 22

DHT dht_sensor(DHT_SENSOR_PIN, DHT_SENSOR_TYPE);

void setup(){
    Serial.begin(115200);
    delay(1000);

   pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output                      //ultasonic Sensor
   pinMode(echoPin, INPUT); // Sets the echoPin as an Input
   dht_sensor.begin();                                                          // initialize the DHT sensor

}

void loop()
{

  // read humidity
  double humi  = dht_sensor.readHumidity();
  // read temperature in Celsius
  double tempC = dht_sensor.readTemperature();
  // read temperature in Fahrenheit
  double tempF = dht_sensor.readTemperature(true);

  // check whether the reading is successful or not
  if ( isnan(tempC) || isnan(tempF) || isnan(humi)) {
    Serial.println("Failed to read from DHT sensor!");          // Humidity and temperature  Sensor DHT22
  } else {
    Serial.print("Humidity: ");
    Serial.print(humi);
    Serial.print("%");

    Serial.print("  |  ");

    Serial.print("Temperature: ");
    Serial.print(tempC);
    Serial.print("°C  ~  ");
    Serial.print(tempF);
    Serial.println("°F");

  }
  delay(1000);

//********//
  // Clears the trigPin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  
  // Reads the echoPin, returns the sound wave travel time in microseconds
  duration = pulseIn(echoPin, HIGH);
  
  // Calculate the distance
  distanceCm = duration * SOUND_SPEED/2;                                          //Ultasonic sensor
  
  // Convert to inches
 // distanceInch = distanceCm * CM_TO_INCH;
  
  // Prints the distance in the Serial Monitor
  Serial.print("Distance (cm): ");
  Serial.println(distanceCm);
 // Serial.print("Distance (inch): ");
 // Serial.println(distanceInch);
  
  delay(1000);

//*****//
  
    double a = analogRead(AOUT_PIN); // read the analog value from sensor
    double value= (1-(a/10000))*100;
    Serial.print("Moisture value: ");                                          // mositure sensor
    Serial.print(value);
    Serial.print("%");
    //Serial.println(a);

 //*****//  

}