sankarcheppali

#include <ESP8266WiFi.h>
#include <PubSubClient.h>


// Update these with values suitable for your network.
const char* ssid = "SSID";
const char* password = "passowrd";
const char* mqtt_server = "iot.eclipse.org";
#define mqtt_port 1883
#define MQTT_USER "username"

sankarcheppali

#include <ESP8266WiFi.h>
#include <PubSubClient.h>


// Update these with values suitable for your network.
const char* ssid = "SSID";
const char* password = "password";
const char* mqtt_server = "iot.eclipse.org";
#define mqtt_port 1883
#define MQTT_USER "mqtt username"

sankarcheppali

const mongoose = require('mongoose')
const util = require('util')
const stream = require('stream')
const pipeline = util.promisify(stream.pipeline)
const stringify = require('csv-stringify')
const fs = require('fs')
const fsp = require('fs').promises

let schema = mongoose.Schema({

sankarcheppali

public class Pair<T,R> {
    private T key;
    private R value;

    public Pair(T key, R value) {
        this.key = key;
        this.value = value;
    }

    public T getKey() {

sankarcheppali

import 'package:flutter/material.dart';
import 'package:path/path.dart';
import 'package:image_picker/image_picker.dart';
import 'dart:io';
import 'dart:async';
import 'package:dio/dio.dart';

/**
 * accepts three parameters, the endpoint, formdata (except fiels),files (key,File)
 * returns Response from server

sankarcheppali

import 'package:path/path.dart';
import 'dart:io';
import 'dart:async';
import 'package:dio/dio.dart';

/**
 * accepts three parameters, the endpoint, formdata (except fiels),files (key,File)
 * returns Response from server
 */
Future<Response> sendForm(

sankarcheppali

import 'package:path/path.dart';
import 'dart:io';
import 'dart:async';
import 'package:dio/dio.dart';

/**
 * accepts two parameters,the endpoint and the file
 * returns Response from server
 */
Future<Response> sendFile(String url, File file) async {

sankarcheppali

import 'package:flutter/material.dart';
import 'package:path/path.dart';
import 'package:image_picker/image_picker.dart';
import 'dart:io';
import 'dart:async';
import 'package:dio/dio.dart';


/**
 * accepts two parameters,the endpoint and the file

sankarcheppali

#define KEYBOARD_ENABLE_CONTROL PB2
#define LDR_PIN PA4
#define LDR_OBSTACLE_THRESHOLD 980
#include "Keyboard.h"

void setup() {
  Serial.begin(115200);
  pinMode(LDR_PIN,INPUT);
  pinMode(KEYBOARD_ENABLE_CONTROL,INPUT);

sankarcheppali

void setup() {
  Serial.begin(9600);
  pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
  int cmd = Serial.parseInt();
  if(cmd == 1){
    digitalWrite(LED_BUILTIN, HIGH);   
  }else if (cmd == -1){
    digitalWrite(LED_BUILTIN, LOW);