#include "DHT.h"
#include <ArduinoJson.h>
DynamicJsonDocument doc(1024);
#define DHTPIN 33
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE);

byte analog_pin=33;
const int triggerPin = 12;
const int echoPin = 14;
String sensorData;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(triggerPin, OUTPUT);
  pinMode(echoPin, INPUT_PULLUP);
  // string sensordata;

  dht.begin();
}

void loop() {
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);

  digitalWrite(triggerPin, LOW);

    
  float duration=pulseIn(echoPin,HIGH);
  float distance=duration*0.034/2;
  Serial.println(distance);
  Serial.println("Distance: " + String(distance, 0) + " cm");
  Serial.println("Distance: " + String(distance/30.48) + " feet");
  // float distance_in_cm =float(distance,1);
  float distance_in_feet =float(distance/30.48);
  int analogstatus=analogRead(analog_pin);
  Serial.println(analogstatus);
   float humidity = dht.readHumidity();
  Serial.println(humidity);
  float temperature = dht.readTemperature();
  Serial.println(temperature);
 
  doc["Temperature"]=temperature;
  doc["humidity"]=humidity;
  doc["analogstatus"]=analogstatus;
  doc["distance_in_cm"]=String(distance,0);
  doc["distance_in_feet"]=distance_in_feet;
  serializeJson(doc,sensorData);
  Serial.println(sensorData);
  delay(2000);







  // put delay(1000); // this speeds up the simulation
}