#include <WiFi.h>//library for wifi
#include <PubSubclient.h>//library for Mott
#include "ultrasonich"
Ultrasonic ultrasonic (2, 4);
float distance

void callback(char* subscribetopic, byte payload, unsigned int payloadLength);

HC-SR04

//.credentials of IBM Accounts

#define ORG "Gyocv"//IBM ORGNITION ID

#define DEVICE_TYPE "smartdustbin//Device type mentioned in ibm watson TOT platform #define DEVICE_ID "12345" //Device 10 mentioned in the watson TOT Platform

#define TOKEN "12345678" //Token

String datal;

//Float h, t

ESP32

Customise the above values

char server[]= ORG ".messaging, internetofthings.ibmcloud.com";// Server Name

char publishTopic[] = "iot-2/evt/Data/fnt/json"; // topic name and type of event perform

char subscribetopic[] = "Lot-2/cmd/test/fmt/String;// cmd REPRESENT comand type AND CO

char authetethod[]"use-token-auth";// authentication method

char token] TOKEN;

char clientid[] = "d:" ORG":"DEVICE_TYPE";" DEVICE_ID;//client id


WiFiClient wifiClient; // creating the instance for wificlient

PubSubClient client (server, 1883, callback wificlient); //calling the prodefined client void setup()// configureing the ESP32

Serial.begin(115200);