Harish Projects

Dual Axis Mini CCTV Camera using ESP32 Cam | IOT Based Science Project / Harish Projects

2025-06-25T03:29:00.000-07:00

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Project Code👇

#include "esp_camera.h"

#include <Arduino.h>

#include <WiFi.h>

#include <AsyncTCP.h>

#include <ESPAsyncWebServer.h>

#include <iostream>

#include <sstream>

#include <ESP32Servo.h>

#define PAN_PIN 14

#define TILT_PIN 15

Servo panServo;

Servo tiltServo;

struct MOTOR_PINS

{

  int pinEn;  

  int pinIN1;

  int pinIN2;    

};

std::vector<MOTOR_PINS> motorPins = 

{

  {2, 12, 13}, //RIGHT_MOTOR Pins (EnA, IN1, IN2)

  {2, 1, 3},  //LEFT_MOTOR  Pins (EnB, IN3, IN4)

};

#define LIGHT_PIN 4

#define UP 1

#define DOWN 2

#define LEFT 3

#define RIGHT 4

#define STOP 0

#define RIGHT_MOTOR 0

#define LEFT_MOTOR 1

#define FORWARD 1

#define BACKWARD -1

const int PWMFreq = 1000; /* 1 KHz */

const int PWMResolution = 8;

const int PWMSpeedChannel = 2;

const int PWMLightChannel = 3;

//Camera related constants

#define PWDN_GPIO_NUM     32

#define RESET_GPIO_NUM    -1

#define XCLK_GPIO_NUM      0

#define SIOD_GPIO_NUM     26

#define SIOC_GPIO_NUM     27

#define Y9_GPIO_NUM       35

#define Y8_GPIO_NUM       34

#define Y7_GPIO_NUM       39

#define Y6_GPIO_NUM       36

#define Y5_GPIO_NUM       21

#define Y4_GPIO_NUM       19

#define Y3_GPIO_NUM       18

#define Y2_GPIO_NUM        5

#define VSYNC_GPIO_NUM    25

#define HREF_GPIO_NUM     23

#define PCLK_GPIO_NUM     22

const char* ssid     = "MyWiFiCar";

const char* password = "12345678";

AsyncWebServer server(80);

AsyncWebSocket wsCamera("/Camera");

AsyncWebSocket wsCarInput("/CarInput");

uint32_t cameraClientId = 0;

const char* htmlHomePage PROGMEM = R"HTMLHOMEPAGE(

<!DOCTYPE html>

<html>

  <head>

  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">

    <style>

    .arrows {

      font-size:30px;

      color:red;

}

    td.button {

      background-color:black;

      border-radius:25%;

      box-shadow: 5px 5px #888888;

}

    td.button:active {

      transform: translate(5px,5px);

      box-shadow: none; 

}

    .noselect {

      -webkit-touch-callout: none; /* iOS Safari */

        -webkit-user-select: none; /* Safari */

         -khtml-user-select: none; /* Konqueror HTML */

           -moz-user-select: none; /* Firefox */

            -ms-user-select: none; /* Internet Explorer/Edge */

                user-select: none; /* Non-prefixed version, currently

                                      supported by Chrome and Opera */

}

    .slidecontainer {

      width: 100%;

}

    .slider {

      -webkit-appearance: none;

      width: 100%;

      height: 15px;

      border-radius: 5px;

      background: #d3d3d3;

      outline: none;

      opacity: 0.7;

      -webkit-transition: .2s;

      transition: opacity .2s;

}

    .slider:hover {

      opacity: 1;

}

    .slider::-webkit-slider-thumb {

      -webkit-appearance: none;

      appearance: none;

      width: 25px;

      height: 25px;

      border-radius: 50%;

      background: red;

      cursor: pointer;

}

    .slider::-moz-range-thumb {

      width: 25px;

      height: 25px;

      border-radius: 50%;

      background: red;

      cursor: pointer;

}

    </style>

  </head>

  <body class="noselect" align="center" style="background-color:white">

    <table id="mainTable" style="width:400px;margin:auto;table-layout:fixed" CELLSPACING=10>

      <tr>

        <img id="cameraImage" src="" style="width:400px;height:250px"></td>

      </tr> 

      <tr>

        <td></td>

        <td class="button" ontouchstart='sendButtonInput("MoveCar","1")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8679;</span></td>

        <td></td>

      </tr>

      <tr>

        <td class="button" ontouchstart='sendButtonInput("MoveCar","3")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8678;</span></td>

        <td class="button"></td>    

        <td class="button" ontouchstart='sendButtonInput("MoveCar","4")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8680;</span></td>

      </tr>

      <tr>

        <td></td>

        <td class="button" ontouchstart='sendButtonInput("MoveCar","2")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8681;</span></td>

        <td></td>

      </tr>

      <tr/><tr/>

      <tr>

        <td style="text-align:left"><b>Speed:</b></td>

        <td colspan=2>

         <div class="slidecontainer">

            <input type="range" min="0" max="255" value="150" class="slider" id="Speed" oninput='sendButtonInput("Speed",value)'>

          </div>

        </td>

      </tr>        

      <tr>

        <td style="text-align:left"><b>Light:</b></td>

        <td colspan=2>

          <div class="slidecontainer">

            <input type="range" min="0" max="255" value="0" class="slider" id="Light" oninput='sendButtonInput("Light",value)'>

          </div>

        </td>   

      </tr>

      <tr>

        <td style="text-align:left"><b>Pan:</b></td>

        <td colspan=2>

         <div class="slidecontainer">

            <input type="range" min="0" max="180" value="90" class="slider" id="Pan" oninput='sendButtonInput("Pan",value)'>

          </div>

        </td>

      </tr> 

      <tr>

        <td style="text-align:left"><b>Tilt:</b></td>

        <td colspan=2>

          <div class="slidecontainer">

            <input type="range" min="0" max="180" value="90" class="slider" id="Tilt" oninput='sendButtonInput("Tilt",value)'>

          </div>

        </td>   

      </tr>      

    </table>

    <script>

      var webSocketCameraUrl = "ws:\/\/" + window.location.hostname + "/Camera";

      var webSocketCarInputUrl = "ws:\/\/" + window.location.hostname + "/CarInput";      

      var websocketCamera;

      var websocketCarInput;

      function initCameraWebSocket() 

{

        websocketCamera = new WebSocket(webSocketCameraUrl);

        websocketCamera.binaryType = 'blob';

        websocketCamera.onopen    = function(event){};

        websocketCamera.onclose   = function(event){setTimeout(initCameraWebSocket, 2000);};

        websocketCamera.onmessage = function(event)

{

          var imageId = document.getElementById("cameraImage");

          imageId.src = URL.createObjectURL(event.data);

};

}

      function initCarInputWebSocket() 

{

        websocketCarInput = new WebSocket(webSocketCarInputUrl);

        websocketCarInput.onopen    = function(event)

{

          sendButtonInput("Speed", document.getElementById("Speed").value);

          sendButtonInput("Light", document.getElementById("Light").value);

          sendButtonInput("Pan", document.getElementById("Pan").value);

          sendButtonInput("Tilt", document.getElementById("Tilt").value);                    

};

        websocketCarInput.onclose   = function(event){setTimeout(initCarInputWebSocket, 2000);};

        websocketCarInput.onmessage = function(event){};        

}

      function initWebSocket() 

{

        initCameraWebSocket ();

        initCarInputWebSocket();

}

      function sendButtonInput(key, value) 

{

        var data = key + "," + value;

        websocketCarInput.send(data);

}

      window.onload = initWebSocket;

      document.getElementById("mainTable").addEventListener("touchend", function(event){

        event.preventDefault()

});

    </script>

  </body>    

</html>

)HTMLHOMEPAGE";

void rotateMotor(int motorNumber, int motorDirection)

{

  if (motorDirection == FORWARD)

{

    digitalWrite(motorPins[motorNumber].pinIN1, HIGH);

    digitalWrite(motorPins[motorNumber].pinIN2, LOW);    

}

  else if (motorDirection == BACKWARD)

{

    digitalWrite(motorPins[motorNumber].pinIN1, LOW);

    digitalWrite(motorPins[motorNumber].pinIN2, HIGH);     

}

  else

{

    digitalWrite(motorPins[motorNumber].pinIN1, LOW);

    digitalWrite(motorPins[motorNumber].pinIN2, LOW);       

}

}

void moveCar(int inputValue)

{

  Serial.printf("Got value as %d\n", inputValue);  

  switch(inputValue)

{

    case UP:

      rotateMotor(RIGHT_MOTOR, FORWARD);

      rotateMotor(LEFT_MOTOR, FORWARD);                  

      break;

    case DOWN:

      rotateMotor(RIGHT_MOTOR, BACKWARD);

      rotateMotor(LEFT_MOTOR, BACKWARD);  

      break;

    case LEFT:

      rotateMotor(RIGHT_MOTOR, FORWARD);

      rotateMotor(LEFT_MOTOR, BACKWARD);  

      break;

    case RIGHT:

      rotateMotor(RIGHT_MOTOR, BACKWARD);

      rotateMotor(LEFT_MOTOR, FORWARD); 

      break;

    case STOP:

      rotateMotor(RIGHT_MOTOR, STOP);

      rotateMotor(LEFT_MOTOR, STOP);    

      break;

    default:

      rotateMotor(RIGHT_MOTOR, STOP);

      rotateMotor(LEFT_MOTOR, STOP);    

      break;

}

}

void handleRoot(AsyncWebServerRequest *request) 

{

  request->send_P(200, "text/html", htmlHomePage);

}

void handleNotFound(AsyncWebServerRequest *request) 

{

    request->send(404, "text/plain", "File Not Found");

}

void onCarInputWebSocketEvent(AsyncWebSocket *server, 

                      AsyncWebSocketClient *client, 

                      AwsEventType type,

                      void *arg, 

                      uint8_t *data, 

                      size_t len) 

{

  switch (type) 

{

    case WS_EVT_CONNECT:

      Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());

      break;

    case WS_EVT_DISCONNECT:

      Serial.printf("WebSocket client #%u disconnected\n", client->id());

      moveCar(0);

      ledcWrite(PWMLightChannel, 0); 

      panServo.write(90);

      tiltServo.write(90);       

      break;

    case WS_EVT_DATA:

      AwsFrameInfo *info;

      info = (AwsFrameInfo*)arg;

      if (info->final && info->index == 0 && info->len == len && info->opcode == WS_TEXT) 

{

        std::string myData = "";

        myData.assign((char *)data, len);

        std::istringstream ss(myData);

        std::string key, value;

        std::getline(ss, key, ',');

        std::getline(ss, value, ',');

        Serial.printf("Key [%s] Value[%s]\n", key.c_str(), value.c_str()); 

        int valueInt = atoi(value.c_str());     

        if (key == "MoveCar")

{

          moveCar(valueInt);        

}

        else if (key == "Speed")

{

          ledcWrite(PWMSpeedChannel, valueInt);

}

        else if (key == "Light")

{

          ledcWrite(PWMLightChannel, valueInt);         

}

        else if (key == "Pan")

{

          panServo.write(valueInt);

}

        else if (key == "Tilt")

{

          tiltServo.write(valueInt);   

}

}

      break;

    case WS_EVT_PONG:

    case WS_EVT_ERROR:

      break;

    default:

      break;  

}

}

void onCameraWebSocketEvent(AsyncWebSocket *server, 

                      AsyncWebSocketClient *client, 

                      AwsEventType type,

                      void *arg, 

                      uint8_t *data, 

                      size_t len) 

{

  switch (type) 

{

    case WS_EVT_CONNECT:

      Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());

      cameraClientId = client->id();

      break;

    case WS_EVT_DISCONNECT:

      Serial.printf("WebSocket client #%u disconnected\n", client->id());

      cameraClientId = 0;

      break;

    case WS_EVT_DATA:

      break;

    case WS_EVT_PONG:

    case WS_EVT_ERROR:

      break;

    default:

      break;  

}

}

void setupCamera()

{

  camera_config_t config;

  config.ledc_channel = LEDC_CHANNEL_4;

  config.ledc_timer = LEDC_TIMER_2;

  config.pin_d0 = Y2_GPIO_NUM;

  config.pin_d1 = Y3_GPIO_NUM;

  config.pin_d2 = Y4_GPIO_NUM;

  config.pin_d3 = Y5_GPIO_NUM;

  config.pin_d4 = Y6_GPIO_NUM;

  config.pin_d5 = Y7_GPIO_NUM;

  config.pin_d6 = Y8_GPIO_NUM;

  config.pin_d7 = Y9_GPIO_NUM;

  config.pin_xclk = XCLK_GPIO_NUM;

  config.pin_pclk = PCLK_GPIO_NUM;

  config.pin_vsync = VSYNC_GPIO_NUM;

  config.pin_href = HREF_GPIO_NUM;

  config.pin_sscb_sda = SIOD_GPIO_NUM;

  config.pin_sscb_scl = SIOC_GPIO_NUM;

  config.pin_pwdn = PWDN_GPIO_NUM;

  config.pin_reset = RESET_GPIO_NUM;

  config.xclk_freq_hz = 20000000;

  config.pixel_format = PIXFORMAT_JPEG;

  config.frame_size = FRAMESIZE_VGA;

  config.jpeg_quality = 10;

  config.fb_count = 1;

  // camera init

  esp_err_t err = esp_camera_init(&config);

  if (err != ESP_OK) 

{

    Serial.printf("Camera init failed with error 0x%x", err);

    return;

}

  if (psramFound())

{

    heap_caps_malloc_extmem_enable(20000);  

    Serial.printf("PSRAM initialized. malloc to take memory from psram above this size");    

}

}

void sendCameraPicture()

{

  if (cameraClientId == 0)

{

    return;

}

  unsigned long  startTime1 = millis();

  //capture a frame

  camera_fb_t * fb = esp_camera_fb_get();

  if (!fb) 

{

      Serial.println("Frame buffer could not be acquired");

      return;

}

  unsigned long  startTime2 = millis();

  wsCamera.binary(cameraClientId, fb->buf, fb->len);

  esp_camera_fb_return(fb);

  //Wait for message to be delivered

  while (true)

{

    AsyncWebSocketClient * clientPointer = wsCamera.client(cameraClientId);

    if (!clientPointer || !(clientPointer->queueIsFull()))

{

      break;

}

    delay(1);

}

  unsigned long  startTime3 = millis();  

  Serial.printf("Time taken Total: %d|%d|%d\n",startTime3 - startTime1, startTime2 - startTime1, startTime3-startTime2 );

}

void setUpPinModes()

{

  panServo.attach(PAN_PIN);

  tiltServo.attach(TILT_PIN);

  //Set up PWM

  ledcSetup(PWMSpeedChannel, PWMFreq, PWMResolution);

  ledcSetup(PWMLightChannel, PWMFreq, PWMResolution);

  for (int i = 0; i < motorPins.size(); i++)

{

    pinMode(motorPins[i].pinEn, OUTPUT);    

    pinMode(motorPins[i].pinIN1, OUTPUT);

    pinMode(motorPins[i].pinIN2, OUTPUT);  

    /* Attach the PWM Channel to the motor enb Pin */

    ledcAttachPin(motorPins[i].pinEn, PWMSpeedChannel);

}

  moveCar(STOP);

  pinMode(LIGHT_PIN, OUTPUT);    

  ledcAttachPin(LIGHT_PIN, PWMLightChannel);

}

void setup(void) 

{

  setUpPinModes();

  //Serial.begin(115200);

  WiFi.softAP(ssid, password);

  IPAddress IP = WiFi.softAPIP();

  Serial.print("AP IP address: ");

  Serial.println(IP);

  server.on("/", HTTP_GET, handleRoot);

  server.onNotFound(handleNotFound);

  wsCamera.onEvent(onCameraWebSocketEvent);

  server.addHandler(&wsCamera);

  wsCarInput.onEvent(onCarInputWebSocketEvent);

  server.addHandler(&wsCarInput);

  server.begin();

  Serial.println("HTTP server started");

  setupCamera();

}

void loop() 

{

  wsCamera.cleanupClients(); 

  wsCarInput.cleanupClients(); 

  sendCameraPicture(); 

  Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n", ESP.getPsramSize(), ESP.getFreePsram());

}

Project Diagram👇

You just have to connect the servo motor and battery.

Servo Pin - 14

Servo 2 Pin - 15

Diagram for ESP32 Cam Car👇

Board URL👇

https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json

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Wet & Dry Waste Smart Dustbin for House | Best science Project | Harish Projects

2024-06-25T05:30:00.000-07:00

Watch Full Detailed video 👇🏻

Diagram in Video👆

//Arduino Code//

//YouTube: Harish Projects

//Order Electronic Parts & Project kit: HarishProjects.com//

#include <Servo.h>

Servo servo1;

const int trigPin = 12;

const int echoPin = 11;

long duration;

int distance=0;

int potPin = A0; //input pin

int soil=0;

int fsoil;

void setup()

{

Serial.begin(9600);

//Serial.print("Humidity");

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

servo1.attach(8);

}

void loop()

{

//YouTube: Harish Projects

//Order Electronic Parts & Project kit: HarishProjects.com//

int soil=0;

for(int i=0;i<2;i++)

{

digitalWrite(trigPin, LOW);

delayMicroseconds(7);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

delayMicroseconds(10);

duration = pulseIn(echoPin, HIGH);

distance= duration*0.034/2+distance;

delay(10);

}

distance=distance/2;

Serial.println(distance);

if (distance <20 && distance>1)

{

delay(1000);

for(int i=0;i<3;i++)

{

soil = analogRead(potPin) ;

soil = constrain(soil, 485, 1023);

fsoil = (map(soil, 485, 1023, 100, 0))+fsoil;

delay(75);

}

fsoil=fsoil/3;

Serial.println(fsoil);

Serial.print("%");

if(fsoil>3)

{delay(1000);

Serial.print("WET ");

servo1.write(180);

delay(3000);}

else{ delay(1000);

Serial.print("dry ");

servo1.write(0);

delay(3000);}

//YouTube: Harish Projects

//Order Electronic Parts & Project kit: HarishProjects.com//

servo1.write(90);}

distance=0;

fsoil=0;delay(1000);

}

Automatic Emergency Call & SMS when Fire Alert | GSM Based Arduino Project | Harish Projects

2024-06-11T05:10:00.000-07:00

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Circuit Diagram by Harish Projects..

Project Arduino Code...

#include <SoftwareSerial.h>

//Order Electronics parts & Science Projects kit from HarishProjects.com
//HarishProjects.com - https://harishprojects.com/
//YouTube - Harish Projects - https://www.youtube.com/@HarishProjects
const String PHONE_1 = "+91..........";
const String PHONE_2 = ""; //optional
const String PHONE_3 = ""; //optional

#define rxPin 4
#define txPin 3
SoftwareSerial sim800L(rxPin,txPin);

#define flame_sensor_pin 2

boolean fire_flag = 0;

#define buzzer_pin 5


void setup()
{

//Order Electronics parts & Science Projects kit from HarishProjects.com
//HarishProjects.com - https://harishprojects.com/
//YouTube - Harish Projects - https://www.youtube.com/@HarishProjects
  
  Serial.begin(115200);
  
  
  sim800L.begin(9600);
  
  
  pinMode(flame_sensor_pin, INPUT);
  
  
  pinMode(buzzer_pin, OUTPUT);
  digitalWrite(buzzer_pin,LOW);
  
  
  Serial.println("Initializing...");
  
  sim800L.println("AT");
  delay(1000);
  sim800L.println("AT+CMGF=1");
  delay(1000);
  
}

//Order Electronics parts & Science Projects kit from HarishProjects.com
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void loop()
{
  while(sim800L.available()){
  Serial.println(sim800L.readString());
  }
  
  int flame_value = digitalRead(flame_sensor_pin);
  
  
  if(flame_value == LOW)
  {
    digitalWrite(buzzer_pin,HIGH);
    
    if(fire_flag == 0)
    {
      Serial.println("Fire Detected.");
      fire_flag == 1;
      send_multi_sms();
      make_multi_call();
    }
    
  }
  
  else
  {
    digitalWrite(buzzer_pin,LOW);
    fire_flag = 0;
  }
  
}

//Order Electronics parts & Science Projects kit from HarishProjects.com
//HarishProjects.com - https://harishprojects.com/
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void send_multi_sms()
{
  if(PHONE_1 != ""){
    Serial.print("Phone 1: ");
    send_sms("Fire is Detected", PHONE_1);
  }
  if(PHONE_2 != ""){
    Serial.print("Phone 2: ");
    send_sms("Fire is Detected", PHONE_2);
  }
  if(PHONE_3 != ""){
    Serial.print("Phone 3: ");
    send_sms("Fire is Detected", PHONE_3);
  }
}

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void make_multi_call()
{
  if(PHONE_1 != ""){
    Serial.print("Phone 1: ");
    make_call(PHONE_1);
  }
  if(PHONE_2 != ""){
    Serial.print("Phone 2: ");
    make_call(PHONE_2);
  }
  if(PHONE_3 != ""){
    Serial.print("Phone 3: ");
    make_call(PHONE_3);
  }
}

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//HarishProjects.com - https://harishprojects.com/
//YouTube - Harish Projects - https://www.youtube.com/@HarishProjects

void send_sms(String text, String phone)
{
    Serial.println("sending sms....");
    delay(50);
    sim800L.print("AT+CMGF=1\r");
    delay(1000);
    sim800L.print("AT+CMGS=\""+phone+"\"\r");
    delay(1000);
    sim800L.print(text);
    delay(100);
    sim800L.write(0x1A); //ascii code for ctrl-26 //Serial2.println((char)26); //ascii code for ctrl-26
    delay(5000);
}

//Order Electronics parts & Science Projects kit from HarishProjects.com
//HarishProjects.com - https://harishprojects.com/
//YouTube - Harish Projects - https://www.youtube.com/@HarishProjects

void make_call(String phone)
{
    Serial.println("calling....");
    sim800L.println("ATD"+phone+";");
    delay(20000); //20 sec delay
    sim800L.println("ATH");
    delay(1000); //1 sec delay
}

WiFi Detective Robot - for Army | IOT Based Army Robot with Camera | Best science Project | HarishProjects.com

2024-05-23T06:23:00.000-07:00

Connection Diagram for FTDI Module

Project Diagram

Project Video

Project kit Buying Link

https://harishprojects.com/product/wifi-detective-robot-for-army-iot-based-army-robot-with-camera-best-science-project-kit/

Project Code

//HarishProjects.com
//Oredr Projects kit and Electronics Parts from Harish Projects
#include "esp_camera.h"
#include <Arduino.h>
#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <iostream>
#include <sstream>
#include <ESP32Servo.h>

#define PAN_PIN 14
#define TILT_PIN 15

Servo panServo;
Servo tiltServo;

struct MOTOR_PINS
{
  int pinEn;  
  int pinIN1;
  int pinIN2;    
};

std::vector<MOTOR_PINS> motorPins = 
{
  {2, 12, 13}, //RIGHT_MOTOR Pins (EnA, IN1, IN2)
  {2, 1, 3},  //LEFT_MOTOR  Pins (EnB, IN3, IN4)
};
#define LIGHT_PIN 4

#define UP 1
#define DOWN 2
#define LEFT 3
#define RIGHT 4
#define STOP 0

#define RIGHT_MOTOR 0
#define LEFT_MOTOR 1

#define FORWARD 1
#define BACKWARD -1

const int PWMFreq = 1000; /* 1 KHz */
const int PWMResolution = 8;
const int PWMSpeedChannel = 2;
const int PWMLightChannel = 3;

//Camera related constants
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22

const char* ssid     = "MyWiFiCar";
const char* password = "12345678";

AsyncWebServer server(80);
AsyncWebSocket wsCamera("/Camera");
AsyncWebSocket wsCarInput("/CarInput");
uint32_t cameraClientId = 0;

const char* htmlHomePage PROGMEM = R"HTMLHOMEPAGE(
<!DOCTYPE html>
<html>
  <head>
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <style>
    .arrows {
      font-size:30px;
      color:red;
    }
    td.button {
      background-color:black;
      border-radius:25%;
      box-shadow: 5px 5px #888888;
    }
    td.button:active {
      transform: translate(5px,5px);
      box-shadow: none; 
    }

    .noselect {
      -webkit-touch-callout: none; /* iOS Safari */
        -webkit-user-select: none; /* Safari */
         -khtml-user-select: none; /* Konqueror HTML */
           -moz-user-select: none; /* Firefox */
            -ms-user-select: none; /* Internet Explorer/Edge */
                user-select: none; /* Non-prefixed version, currently
                                      supported by Chrome and Opera */
    }

    .slidecontainer {
      width: 100%;
    }

    .slider {
      -webkit-appearance: none;
      width: 100%;
      height: 15px;
      border-radius: 5px;
      background: #d3d3d3;
      outline: none;
      opacity: 0.7;
      -webkit-transition: .2s;
      transition: opacity .2s;
    }

    .slider:hover {
      opacity: 1;
    }
  
    .slider::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 25px;
      height: 25px;
      border-radius: 50%;
      background: red;
      cursor: pointer;
    }

    .slider::-moz-range-thumb {
      width: 25px;
      height: 25px;
      border-radius: 50%;
      background: red;
      cursor: pointer;
    }

    </style>
  
  </head>
  <body class="noselect" align="center" style="background-color:white">
    <table id="mainTable" style="width:400px;margin:auto;table-layout:fixed" CELLSPACING=10>
      <tr>
        <img id="cameraImage" src="" style="width:400px;height:250px"></td>
      </tr> 
      <tr>
        <td></td>
        <td class="button" ontouchstart='sendButtonInput("MoveCar","1")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8679;</span></td>
        <td></td>
      </tr>
      <tr>
        <td class="button" ontouchstart='sendButtonInput("MoveCar","3")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8678;</span></td>
        <td class="button"></td>    
        <td class="button" ontouchstart='sendButtonInput("MoveCar","4")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8680;</span></td>
      </tr>
      <tr>
        <td></td>
        <td class="button" ontouchstart='sendButtonInput("MoveCar","2")' ontouchend='sendButtonInput("MoveCar","0")'><span class="arrows" >&#8681;</span></td>
        <td></td>
      </tr>
      <tr/><tr/>
      <tr>
        <td style="text-align:left"><b>Speed:</b></td>
        <td colspan=2>
         <div class="slidecontainer">
            <input type="range" min="0" max="255" value="150" class="slider" id="Speed" oninput='sendButtonInput("Speed",value)'>
          </div>
        </td>
      </tr>        
      <tr>
        <td style="text-align:left"><b>Light:</b></td>
        <td colspan=2>
          <div class="slidecontainer">
            <input type="range" min="0" max="255" value="0" class="slider" id="Light" oninput='sendButtonInput("Light",value)'>
          </div>
        </td>   
      </tr>
      <tr>
        <td style="text-align:left"><b>Pan:</b></td>
        <td colspan=2>
         <div class="slidecontainer">
            <input type="range" min="0" max="180" value="90" class="slider" id="Pan" oninput='sendButtonInput("Pan",value)'>
          </div>
        </td>
      </tr> 
      <tr>
        <td style="text-align:left"><b>Tilt:</b></td>
        <td colspan=2>
          <div class="slidecontainer">
            <input type="range" min="0" max="180" value="90" class="slider" id="Tilt" oninput='sendButtonInput("Tilt",value)'>
          </div>
        </td>   
      </tr>      
    </table>
  
    <script>
      var webSocketCameraUrl = "ws:\/\/" + window.location.hostname + "/Camera";
      var webSocketCarInputUrl = "ws:\/\/" + window.location.hostname + "/CarInput";      
      var websocketCamera;
      var websocketCarInput;
      
      function initCameraWebSocket() 
      {
        websocketCamera = new WebSocket(webSocketCameraUrl);
        websocketCamera.binaryType = 'blob';
        websocketCamera.onopen    = function(event){};
        websocketCamera.onclose   = function(event){setTimeout(initCameraWebSocket, 2000);};
        websocketCamera.onmessage = function(event)
        {
          var imageId = document.getElementById("cameraImage");
          imageId.src = URL.createObjectURL(event.data);
        };
      }
      
      function initCarInputWebSocket() 
      {
        websocketCarInput = new WebSocket(webSocketCarInputUrl);
        websocketCarInput.onopen    = function(event)
        {
          sendButtonInput("Speed", document.getElementById("Speed").value);
          sendButtonInput("Light", document.getElementById("Light").value);
          sendButtonInput("Pan", document.getElementById("Pan").value);
          sendButtonInput("Tilt", document.getElementById("Tilt").value);                    
        };
        websocketCarInput.onclose   = function(event){setTimeout(initCarInputWebSocket, 2000);};
        websocketCarInput.onmessage = function(event){};        
      }
      
      function initWebSocket() 
      {
        initCameraWebSocket ();
        initCarInputWebSocket();
      }

      function sendButtonInput(key, value) 
      {
        var data = key + "," + value;
        websocketCarInput.send(data);
      }
    
      window.onload = initWebSocket;
      document.getElementById("mainTable").addEventListener("touchend", function(event){
        event.preventDefault()
      });      
    </script>
  </body>    
</html>
)HTMLHOMEPAGE";


void rotateMotor(int motorNumber, int motorDirection)
{
  if (motorDirection == FORWARD)
  {
    digitalWrite(motorPins[motorNumber].pinIN1, HIGH);
    digitalWrite(motorPins[motorNumber].pinIN2, LOW);    
  }
  else if (motorDirection == BACKWARD)
  {
    digitalWrite(motorPins[motorNumber].pinIN1, LOW);
    digitalWrite(motorPins[motorNumber].pinIN2, HIGH);     
  }
  else
  {
    digitalWrite(motorPins[motorNumber].pinIN1, LOW);
    digitalWrite(motorPins[motorNumber].pinIN2, LOW);       
  }
}

void moveCar(int inputValue)
{
  Serial.printf("Got value as %d\n", inputValue);  
  switch(inputValue)
  {

    case UP:
      rotateMotor(RIGHT_MOTOR, FORWARD);
      rotateMotor(LEFT_MOTOR, FORWARD);                  
      break;
  
    case DOWN:
      rotateMotor(RIGHT_MOTOR, BACKWARD);
      rotateMotor(LEFT_MOTOR, BACKWARD);  
      break;
  
    case LEFT:
      rotateMotor(RIGHT_MOTOR, FORWARD);
      rotateMotor(LEFT_MOTOR, BACKWARD);  
      break;
  
    case RIGHT:
      rotateMotor(RIGHT_MOTOR, BACKWARD);
      rotateMotor(LEFT_MOTOR, FORWARD); 
      break;
 
    case STOP:
      rotateMotor(RIGHT_MOTOR, STOP);
      rotateMotor(LEFT_MOTOR, STOP);    
      break;
  
    default:
      rotateMotor(RIGHT_MOTOR, STOP);
      rotateMotor(LEFT_MOTOR, STOP);    
      break;
  }
}

void handleRoot(AsyncWebServerRequest *request) 
{
  request->send_P(200, "text/html", htmlHomePage);
}

void handleNotFound(AsyncWebServerRequest *request) 
{
    request->send(404, "text/plain", "File Not Found");
}

void onCarInputWebSocketEvent(AsyncWebSocket *server, 
                      AsyncWebSocketClient *client, 
                      AwsEventType type,
                      void *arg, 
                      uint8_t *data, 
                      size_t len) 
{                      
  switch (type) 
  {
    case WS_EVT_CONNECT:
      Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());
      break;
    case WS_EVT_DISCONNECT:
      Serial.printf("WebSocket client #%u disconnected\n", client->id());
      moveCar(0);
      ledcWrite(PWMLightChannel, 0); 
      panServo.write(90);
      tiltServo.write(90);       
      break;
    case WS_EVT_DATA:
      AwsFrameInfo *info;
      info = (AwsFrameInfo*)arg;
      if (info->final && info->index == 0 && info->len == len && info->opcode == WS_TEXT) 
      {
        std::string myData = "";
        myData.assign((char *)data, len);
        std::istringstream ss(myData);
        std::string key, value;
        std::getline(ss, key, ',');
        std::getline(ss, value, ',');
        Serial.printf("Key [%s] Value[%s]\n", key.c_str(), value.c_str()); 
        int valueInt = atoi(value.c_str());     
        if (key == "MoveCar")
        {
          moveCar(valueInt);        
        }
        else if (key == "Speed")
        {
          ledcWrite(PWMSpeedChannel, valueInt);
        }
        else if (key == "Light")
        {
          ledcWrite(PWMLightChannel, valueInt);         
        }
        else if (key == "Pan")
        {
          panServo.write(valueInt);
        }
        else if (key == "Tilt")
        {
          tiltServo.write(valueInt);   
        }             
      }
      break;
    case WS_EVT_PONG:
    case WS_EVT_ERROR:
      break;
    default:
      break;  
  }
}

void onCameraWebSocketEvent(AsyncWebSocket *server, 
                      AsyncWebSocketClient *client, 
                      AwsEventType type,
                      void *arg, 
                      uint8_t *data, 
                      size_t len) 
{                      
  switch (type) 
  {
    case WS_EVT_CONNECT:
      Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());
      cameraClientId = client->id();
      break;
    case WS_EVT_DISCONNECT:
      Serial.printf("WebSocket client #%u disconnected\n", client->id());
      cameraClientId = 0;
      break;
    case WS_EVT_DATA:
      break;
    case WS_EVT_PONG:
    case WS_EVT_ERROR:
      break;
    default:
      break;  
  }
}

void setupCamera()
{
  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_4;
  config.ledc_timer = LEDC_TIMER_2;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;
  
  config.frame_size = FRAMESIZE_VGA;
  config.jpeg_quality = 10;
  config.fb_count = 1;

  // camera init
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) 
  {
    Serial.printf("Camera init failed with error 0x%x", err);
    return;
  }  

  if (psramFound())
  {
    heap_caps_malloc_extmem_enable(20000);  
    Serial.printf("PSRAM initialized. malloc to take memory from psram above this size");    
  }  
}

void sendCameraPicture()
{
  if (cameraClientId == 0)
  {
    return;
  }
  unsigned long  startTime1 = millis();
  //capture a frame
  camera_fb_t * fb = esp_camera_fb_get();
  if (!fb) 
  {
      Serial.println("Frame buffer could not be acquired");
      return;
  }

  unsigned long  startTime2 = millis();
  wsCamera.binary(cameraClientId, fb->buf, fb->len);
  esp_camera_fb_return(fb);
    
  //Wait for message to be delivered
  while (true)
  {
    AsyncWebSocketClient * clientPointer = wsCamera.client(cameraClientId);
    if (!clientPointer || !(clientPointer->queueIsFull()))
    {
      break;
    }
    delay(1);
  }
  
  unsigned long  startTime3 = millis();  
  Serial.printf("Time taken Total: %d|%d|%d\n",startTime3 - startTime1, startTime2 - startTime1, startTime3-startTime2 );
}

void setUpPinModes()
{
  panServo.attach(PAN_PIN);
  tiltServo.attach(TILT_PIN);

  //Set up PWM
  ledcSetup(PWMSpeedChannel, PWMFreq, PWMResolution);
  ledcSetup(PWMLightChannel, PWMFreq, PWMResolution);
      
  for (int i = 0; i < motorPins.size(); i++)
  {
    pinMode(motorPins[i].pinEn, OUTPUT);    
    pinMode(motorPins[i].pinIN1, OUTPUT);
    pinMode(motorPins[i].pinIN2, OUTPUT);  
    /* Attach the PWM Channel to the motor enb Pin */
    ledcAttachPin(motorPins[i].pinEn, PWMSpeedChannel);
  }
  moveCar(STOP);

  pinMode(LIGHT_PIN, OUTPUT);    
  ledcAttachPin(LIGHT_PIN, PWMLightChannel);
}


void setup(void) 
{
  setUpPinModes();
  //Serial.begin(115200);

  WiFi.softAP(ssid, password);
  IPAddress IP = WiFi.softAPIP();
  Serial.print("AP IP address: ");
  Serial.println(IP);

  server.on("/", HTTP_GET, handleRoot);
  server.onNotFound(handleNotFound);
      
  wsCamera.onEvent(onCameraWebSocketEvent);
  server.addHandler(&wsCamera);

  wsCarInput.onEvent(onCarInputWebSocketEvent);
  server.addHandler(&wsCarInput);

  server.begin();
  Serial.println("HTTP server started");

  setupCamera();
}


void loop() 
{
  wsCamera.cleanupClients(); 
  wsCarInput.cleanupClients(); 
  sendCameraPicture(); 
  Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n", ESP.getPsramSize(), ESP.getFreePsram());
}

Sun Tracker Solar Panel - Circuit Diagram | Dual Axis Without Arduino | Harish Projects

2024-02-27T22:29:00.000-08:00

Circuit Components List

1. TDA2822 IC 2x

2. 10k ohm Resistor 4x

3. 5mm LDR 4x

4. N20 Gear Motor 2x

5. N20 Wheel

6. Solar Panel

7. Zero PCB

8. Sunboard

9. 3.7v Small Battery

10. Charging Module

11. Tip Top Button

Ordre all components from Here

Click here 👉 https://harishprojects.com/

…….. Circuit Diagram………..

……….Watch full Detailed video………

Automatic Smart Street Light | Best science Project | Harish Projects

2023-12-07T04:35:00.000-08:00

Watch Full Detailed Video

//Arduino Code

int IR1 = 8;

int IR2 = 12;

int IR3 = 13;

int LDR = 7;

int led1 = 3;

int led2 = 5;

int led3 = 6;

int val1;

int val2;

int val3;

int val4;

void setup()

{

pinMode(IR1,INPUT);

pinMode(IR2,INPUT);

pinMode(IR3,INPUT);

pinMode(LDR,INPUT);

pinMode(led1,OUTPUT);

pinMode(led2,OUTPUT);

pinMode(led3,OUTPUT);

}

void loop() {

val1 = digitalRead(IR1);

val2 = digitalRead(IR2);

val3 = digitalRead(IR3);

val4 = digitalRead(LDR);

if(val1==1&&val4==0&&val2==1&&val3==1)

{

digitalWrite(3,LOW);

digitalWrite(5,LOW);

digitalWrite(6,LOW);

}

else if(val1==1&&val4==1&&val2==1&&val3==1)

{

analogWrite(3,20);

analogWrite(5,20);

analogWrite(6,20);

}

else if(val1==0&&val4==1&&val2==1&&val3==1)

{

analogWrite(3,500);

analogWrite(5,20);

analogWrite(6,20);

}

else if(val1==1&&val4==1&&val2==0&&val3==1)

{

analogWrite(3,20);

analogWrite(5,500);

analogWrite(6,20);

}

else if(val1==1&&val4==1&&val2==1&&val3==0)

{

analogWrite(3,20);

analogWrite(5,20);

analogWrite(6,500);

}

//Project Diagram

Amazing Best science Project / Water flow & value Monitoring / Water Flow Sensor / Best science Project / School & college level

2023-11-14T04:16:00.000-08:00

.....Project Diagram.....

//....Arduino Code....

/*

YF‐ S201 Water Flow Sensor

Water Flow Sensor output processed to read in litres/hour

Adaptation Courtesy:

*/

volatile int flow_frequency; // Measures flow sensor pulses

// Calculated litres/hour

 float vol = 0.0,l_minute;

unsigned char flowsensor = 2; // Sensor Input

unsigned long currentTime;

unsigned long cloopTime;

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 9);

void flow () // Interrupt function

{

   flow_frequency++;

}

void setup()

{

   pinMode(flowsensor, INPUT);

   digitalWrite(flowsensor, HIGH); // Optional Internal Pull-Up

   Serial.begin(9600);

   lcd.begin(16, 2);

   attachInterrupt(digitalPinToInterrupt(flowsensor), flow, RISING); // Setup Interrupt

   lcd.clear();

   lcd.setCursor(0,0);

   lcd.print("Petrol Flow Meter");

   lcd.setCursor(0,1);

   lcd.print("Harish Projects");

   currentTime = millis();

   cloopTime = currentTime;

}

void loop ()

{

   currentTime = millis();

   // Every second, calculate and print litres/hour

   if(currentTime >= (cloopTime + 1000))

   {

    cloopTime = currentTime; // Updates cloopTime

    if(flow_frequency != 0){

      // Pulse frequency (Hz) = 7.5Q, Q is flow rate in L/min.

      l_minute = (flow_frequency / 7.5); // (Pulse frequency x 60 min) / 7.5Q = flowrate in L/hour

      lcd.clear();

      lcd.setCursor(0,0);

      lcd.print("Rate: ");

      lcd.print(l_minute);

      lcd.print(" L/M");

      l_minute = l_minute/60;

      lcd.setCursor(0,1);

      vol = vol +l_minute;

      lcd.print("Vol:");

      lcd.print(vol);

      lcd.print(" L");

      flow_frequency = 0; // Reset Counter

      Serial.print(l_minute, DEC); // Print litres/hour

      Serial.println(" L/Sec");

    }

    else {

      Serial.println(" flow rate = 0 ");

      lcd.clear();

      lcd.setCursor(0,0);

      lcd.print("Rate: ");

      lcd.print( flow_frequency );

      lcd.print(" L/M");

      lcd.setCursor(0,1);

      lcd.print("Vol:");

      lcd.print(vol);

      lcd.print(" L");

    }

   }

}

Smart Shoes for Blind Persons / Intelligent walking Shoes / Best Science Project / Harish Projects

2023-10-16T07:48:00.001-07:00

Watch Full Making video on Youtube.

//........Arduino Code.........

#define buzzer 6

void setup()

{

pinMode(12,OUTPUT);//Trigger

pinMode(13,INPUT);//EchoA

pinMode(6,OUTPUT);//Buzzer

}

void loop()

{

long duration, distance;

digitalWrite(12,LOW);

delayMicroseconds(2);

digitalWrite(12,HIGH);

delayMicroseconds(10);

digitalWrite(12,LOW);

duration=pulseIn(13,HIGH);

distance=(duration/2)/29.1;

if (distance < 70)     // This is where checking the distance you can change the value

{

 // When the the distance below 100cm

digitalWrite(6,HIGH);

} else

{

// when greater than 100cm

digitalWrite(6,LOW);

} delay(500);

}

Train Accident Prevention | 2 Train in same Track | Best Project | Harish Projects

2023-10-03T06:51:00.002-07:00

... Project Diagram...

Watch Full Detailed Video

Part - 1 for Engine

Part - 2 for Platform

Buy Full Project kit

Click Here - https://harishprojects.com/product/train-accident-prevention-2-train-in-same-track-best-science-project-kit/

Automatic Railway Gate | Arduino & IR sensor Best science Project 2023 | Harish Projects

2023-03-18T21:00:00.001-07:00

....Watch Full Detailed video....

//Arduino code//

1. If an object is detected, turn the

servo motor 10 degrees

2. If there is no object detected,

turn the servo motor 150 degrees

#include <Servo.h>

Servo Serv;

int pinIR=3;

int pinServo=5;

int val=0;

void setup(){

Serv.attach(pinServo);

}

void loop(){

val = digitalRead(pinIR);

if (val ==0){

Serv.write(95);

delay(100);

}

else

{

Serv.write(10);

delay(100);

}

//You can order Project kit from us.

Contact:-

WP - 8602221288

Instagram - https://www.instagram.com/harishchoudhary70/reels/?hl=en

Make Smart notice Board using Arduino & Bluetooth | Best science Project | Harish Projects

2023-03-09T05:35:00.002-08:00

First watch this full video. only then. Start making this project.

//Arduino Code//

#include <LiquidCrystal.h>char str[34],L=2;
int draft=0,i=0;
int Pass=0,p=0;
 int c,x,d;

LiquidCrystal lcd(11,10,5,4,3,2);

void setup()
{
 Serial.begin(9600);
    pinMode(7,OUTPUT);
  lcd.begin(16, 2);
  
 
}


void loop() 
{ 
  if(draft==1)
  {
    check();
     draft=0;
    i=0;
    delay(1000);
  }
  
}

void serialEvent() 
 {
      while (Serial.available()) 
      {
      char inChar=Serial.read();
      str[i++]=inChar;
      delay(10);
      }
       for (p=i+1;p<34;p++)
      {
        str[i++]=32;
      }
    draft=1;
  Serial.write(str);
  lcd.setCursor(0, 0);
 lcd.print(str);
  if(i>16)
  {
    d=16;
    for (x=0;x<=17;x++)
    {
    lcd.setCursor(x,2);
    lcd.print(str[d]);
    d++;
    }
  }
 }

void check()
{
if(!(strncmp(str,"1",1)))
  {
   digitalWrite(7,50); 
   lcd.clear(); 
  }
  else if(!(strncmp(str,"2",1)))
  {
   digitalWrite(7,LOW);
   lcd.clear(); 
  }
}

























//Project Diagram//


Y

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Indian Army security Gate | inspire Award Project | best science Project | Harish Projects 2023

2023-02-15T06:52:00.001-08:00

Click Here to watch full video

//Arduino Code//

#include <Servo.h>

#include <SPI.h>

#include <RFID.h>

RFID rfid(10, 9);

byte kart[5] = {128,207,122,175,154};

Servo myservo;

boolean card;

void setup()

{

Serial.begin(9600);

SPI.begin();

rfid.init();

myservo.attach(3);

myservo.write(100);

}

void loop()

{

if (rfid.isCard())

{

if (rfid.readCardSerial())

{

Serial.print("Found ID: ");

Serial.print(rfid.serNum[0]);

Serial.print(",");

Serial.print(rfid.serNum[1]);

Serial.print(",");

Serial.print(rfid.serNum[2]);

Serial.print(",");

Serial.print(rfid.serNum[3]);

Serial.print(",");

Serial.println(rfid.serNum[4]);

}

for (int i = 1; i < 5; i++)

{

if (rfid.serNum[0] == kart[0] && rfid.serNum[1] == kart[1] && rfid.serNum[2] == kart[2] && rfid.serNum[3] == kart[3] && rfid.serNum[4] == kart[4])

{

card = true;

}

else {

card = false;

}

if (card == true)

{

Serial.println("Correct Card");

myservo.write(10);

delay(5000);

myservo.write(100);

}

else

{

Serial.println("Wrong Card");

}

rfid.halt();

}

//Project Diagram//

If you want to order project kit then contact me on instagram

Click here - https://www.instagram.com/harishchoudhary70/

How to make Anti sleep alarm for Drivers without arduino | Best science Project | Budget Project 2023

2023-01-23T06:42:00.002-08:00

Anti sleep alarm for Driver | Best science Project | Budget Project 2023.

Aaj hum banayenge ek Anti sleep alarm for Drivers isme maine koi bhi Arduino ka use nhi kiya hai jisse ki ye ek budget project ban jata hai. aap chahe to project kit order kr sakte hai. uske liye Instagram pe contact krna padega. Link below.

follow me on instagram -

https://www.instagram.com/harishchoudhary70/

How to make rubber Powered 3D printed Boat | Diy Rubber Powered Boat | पैसा डूब गया #HarishShorts #HarishProjects

2023-01-07T05:44:00.004-08:00

Watch How to Make Video : https://youtube.com/shorts/FnOMLPfRUvg?feature=share

Download 3D STL File : https://drive.google.com/file/d/1gZnb0CEhx23atlqdkwAXWncDHB4yoyt_/view?usp=share_link

or order 3D Printed Projects Contact Us on Instagram: https://www.instagram.com/harishchoudhary70/

How to make 3D printed RC air boat with STL files #harishprojects #harishshorts

2022-12-31T07:10:00.005-08:00

Watch how to make video : https://youtube.com/shorts/FHaBpCQIm_M?feature=share

Download STL File : https://drive.google.com/file/d/1mMJ6XRDr3gRkl02eFg90v1WGvWGfelnJ/view?usp=share_link

For order 3D Printed Projects Contact Us on Instagram: https://www.instagram.com/harishchoudhary70/

Diy Amazing mini drone/How to make 3D printed drone with STL Files #harishprojects #harishshorts

2022-12-31T06:58:00.006-08:00

Watch how to make video 3D Drone: https://youtube.com/shorts/7a3H43fCcBY?feature=share

Project 3D STL File Link: https://drive.google.com/file/d/1XwG7EO3qbTN3oJDFtmnTh4PyzTQ6J6cb/view?usp=share_link

For order projects contact us on instagram: https://www.instagram.com/harishchoudhary70/

How to Make Mini Water Pump/3D Printed Water Pump using DC Motor #harishprojects #harishshorts

2022-12-31T06:41:00.004-08:00

Click here to watch project making video: https://youtube.com/shorts/QuK3NiQCF-A?feature=share

Download STL File link the given link: https://drive.google.com/file/d/1ul29eX8NSQC74O41FTx1MpUk05xkFGnN/view?usp=share_link

For order 3D Printed Projects Contact Us on Instagram: https://www.instagram.com/harishchoudhary70/

Mini Drone STL file for 3D Printing / Diy mini Drone Gone wrong | Crash हो गया 😢

2022-12-05T09:17:00.002-08:00

Download Project STL File Hit The DOWNLOAD Button

Automatic stop Gate for overflow | National Level Inspire Award Project 2023 / Harish Projects

2022-10-10T03:01:00.002-07:00

Automatic stop Gate for overflow | National Level Inspire Award Project Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek "National Level winning Project Banaya hai" is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc.

//Project Code//

#include <Servo.h>

Servo tap_servo;

int sensor_pin = 4;

int tap_servo_pin =5;

int buzzer = 6;

int val;

void setup(){

pinMode(sensor_pin,INPUT);

pinMode(buzzer, OUTPUT);

tap_servo.attach(tap_servo_pin);

}

void loop(){

val = digitalRead(sensor_pin);

if (val==0)

{tap_servo.write(0);

digitalWrite (buzzer, HIGH);

delay(1000);

digitalWrite (buzzer, LOW);

delay(1000);

}

if (val==1)

{tap_servo.write(90);

digitalWrite (buzzer,LOW);

}

//Project Diagram//

Inspire Award Project | Fingerprint Laser Security | Best science Project 2022 | Harish Projects

2022-09-03T01:21:00.001-07:00

Fingerprint Laser Security for Door | Best science Project 2022 | Harish Projects Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek Fingerprint Laser Light security alarm banaya hai House ke liye. , 10th, 11th &12th class ke students ke liye hai. is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc.

.... Components List... Best Buying Links 1. Laser Light https://amzn.to/3z5KWJ6 2. BC547 Transistor https://amzn.to/3P6GEGT 3. 100k ohm Resistor https://amzn.to/3o33GCt 4. LDR https://amzn.to/3Rzhz8Z 5. 5mm Red LED https://amzn.to/3Ppcqyy 6. 3.7v Battery https://amzn.to/3cewR30 7. Wires https://amzn.to/3olgIf3 8. Sunboard sheet https://amzn.to/3z53Yzf 9. Cardboard https://amzn.to/3c8n1j3 10. Glue gun & Sticks https://amzn.to/3o12jUO 11. Switch Button https://amzn.to/3ATtgl5 12. Buzzer https://amzn.to/3o4cgRs 13. Breadboard https://amzn.to/3PaM7fG 14. Laser Diode https://amzn.to/3q5i9iu 15. Fingerprint sensor r307 https://amzn.to/3QgnoX0 16. 5v Relay Module https://amzn.to/3qfajCJ 17. Arduino Uno https://amzn.to/3RBGAjl

// Arduino Code//

#include <Adafruit_Fingerprint.h>

SoftwareSerial mySerial(2, 3);

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

#define RELAY_PIN 4

#define ACCESS_DELAY 3000 // Keep lock unlocked for 3 seconds

void setup()

{

// set the data rate for the sensor serial port

finger.begin(57600);

delay(5);

if (finger.verifyPassword())

{

}

else

{

while (1) { delay(1); }

}

pinMode(RELAY_PIN, OUTPUT);

digitalWrite(RELAY_PIN, LOW); //Switch off relay initially. Relay is LOW level triggered relay so we need to write HIGH.

}

void loop()

{

if ( getFingerPrint() != -1)

{

digitalWrite(RELAY_PIN, HIGH);

delay(ACCESS_DELAY);

digitalWrite(RELAY_PIN, LOW);

}

delay(50); //Add some delay before next scan.

}

// returns -1 if failed, otherwise returns ID #

int getFingerPrint()

{

int p = finger.getImage();

if (p != FINGERPRINT_OK) return -1;

p = finger.image2Tz();

if (p != FINGERPRINT_OK) return -1;

p = finger.fingerFastSearch();

if (p != FINGERPRINT_OK) return -1;

// found a match!

return finger.fingerID;

}

// Circuit Diagram//

// Project Full Diagram//

Follow me on instagram - https://www.instagram.com/harishchoudhary70/

How to make Password Lock for Doors| Harish Projects | Inspire Award Project

2022-08-04T22:50:00.001-07:00

//Click here to watch full video//

Inspire Award Project | Best Project 2022 | Password Door Lock | Harish Projects Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek Password Door Lock banaya hai House ke liye. hum isme pass Code enter krke door ko unlock kar sakte hai. , 10th, 11th &12th class ke students ke liye hai. is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc. Project Diagram https://harishprojectss.blogspot.com/?m=1 My YouTube Channels 1. Harish Vlogs https://youtu.be/Ot0LT_VOgWU 2. Harish Shorts 👇 https://youtube.com/channel/UC68VImYQ-DfXDT-j1wog5kg About this Video 1. About Project 2. Components 3. Model Making 4. Connections 6. Working Test Thanks for watching Subscribe for more .... Components List... Best Buying Links 1. Arduino & Cable https://amzn.to/3BOTcyC 2. 4x3 Matrix Keypad https://amzn.to/3d6GPUw 3. Servo Motor https://amzn.to/3d1Gxya 4. Jumper wires https://amzn.to/3zTzQXY 5. MDF Board https://amzn.to/3zXJCbJ 6. Sunboard sheet https://amzn.to/3St24jm 7. Lock "Kundi' https://amzn.to/3SuCRW6 8. Battery https://amzn.to/3bxy45s 9. Glue Gun & Sticks https://amzn.to/3Jy9MVG 👉👇For Business Enquiries 👇 👈 multipurposevid@gmail.coml My Website. harishprojectss.blogspot.com FOLLOW ON 1 instagram - harishchoudhary70 https://www.instagram.com/harishchoudhary70/ 2 YouTube - Harish Projects https://youtube.com/c/HarishProjects 3 Twitter. - Harish Projects https://twitter.com/harishprojectss?s=09 #scienceproject #PassDoorLock #DoorLock #BestProject2022 #inspireaward2022

\\Project Diagram\\

//Arduino Code//

#include <Servo.h>

#include <Keypad.h>

Servo ServoMotor;

char* password = "1199"; // change the password here, just pick any 3 numbers

int position = 0;

const byte ROWS = 4;

const byte COLS = 4;

char keys[ROWS][COLS] = {

{'1','2','3'},

{'4','5','6'},

{'7','8','9'},

{'*','0','#'}

};

byte rowPins[ROWS] = { 8, 7, 6, 9 };

byte colPins[COLS] = { 5, 4, 3, 2 };

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

int RedpinLock = 12;

int GreenpinUnlock = 13;

void setup()

{

pinMode(RedpinLock, OUTPUT);

pinMode(GreenpinUnlock, OUTPUT);

ServoMotor.attach(11);

LockedPosition(false);

}

void loop()

{

char key = keypad.getKey();

if (key == '*' || key == '#')

{

position = 0;

LockedPosition(false);

}

if (key == password[position])

{

position ++;

}

if (position == 4)

{

LockedPosition(true);

}

delay(100);

}

void LockedPosition(int locked)

{

if (locked)

{

digitalWrite(RedpinLock, LOW);

digitalWrite(GreenpinUnlock, HIGH);

ServoMotor.write(11);

}

else

{

digitalWrite(RedpinLock, HIGH);

digitalWrite(GreenpinUnlock, LOW);

ServoMotor.write(90);

}

/////

Inspire Award Project | Avoid Flooding बाढ़ से बचने के लिए Project | Best science Project 2022 | Harish Projects

2022-07-23T07:37:00.000-07:00

About This Project:-

Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek बाढ़ से बचने के लिए एक Project banaya hai आजकल rainy season होने के वजह से कई जगह पर बाढ़ आ रही हैं। जैसे - असम, उत्तराखंड, बिहार और भी बहुत सी जगहें हैं। ये project बाढ़ से बचने के लिए हैं। , 10th, 11th &12th class ke students ke liye hai. is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc.

//Arduino Code:-

// Circuits DIY // For Complete Details Visit -> YouTube - HARISH PROJECTS int rainPin = A0; int greenLED = 6; int redLED = 7; // you can adjust the threshold value int thresholdValue = 800; void setup(){ pinMode(rainPin, INPUT); pinMode(greenLED, OUTPUT); pinMode(redLED, OUTPUT); digitalWrite(greenLED, HIGH); digitalWrite(redLED, HIGH); Serial.begin(9600); } void loop() { // read the input on analog pin 0: int sensorValue = analogRead(rainPin); Serial.print(sensorValue); if(sensorValue < thresholdValue){ Serial.println(" - Doesn't need watering"); digitalWrite(redLED, HIGH); digitalWrite(greenLED, LOW); } else { Serial.println(" - Time to water your plant"); digitalWrite(redLED, LOW); digitalWrite(greenLED, HIGH); } delay(500); }

//Project Diagram:-

For Support. contact us:-

https://www.instagram.com/harishchoudhary70/

Inspire Award Project | All in one Budget Project | Best science Project 2022 | Harish Projects

2022-07-19T07:49:00.002-07:00

Watch full making video - https://youtu.be/LXDAe6HZ3Dk

Inspire Award Project | All in one Budget Project | Best science Project 2022 | Harish Projects Harish Projects | inspire Award Project | College science Project | All catagory project Available Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek All in one science Project banaya hai l. , 10th, 11th &12th class ke students ke liye hai. is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc.

//Arduino Code//

const int trigPin = 12;
const int echoPin = 13;

const int LED1 = A0;
const int LED2 = A1;
const int LED3 = A2;
const int LED4 = A3;
const int LED5 = A4;
const int LED6 = A5;
const int LED7 = 2;

int duration = 0;
int distance = 0;

void setup() 
{
  pinMode(trigPin , OUTPUT);
  pinMode(echoPin , INPUT);
  
  pinMode(LED1 , OUTPUT);
  pinMode(LED2 , OUTPUT);
  pinMode(LED3 , OUTPUT);
  pinMode(LED4 , OUTPUT);
  pinMode(LED5 , OUTPUT);
  pinMode(LED6 , OUTPUT);
  pinMode(LED7 , OUTPUT);
  
  Serial.begin(9600);

}

void loop()
{
 digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);  
  duration = pulseIn(echoPin, HIGH);
  distance = duration/58.2;

  if ( distance <= 7 )
  {
    digitalWrite(LED1, HIGH);
  }
  else
  {
    digitalWrite(LED1, LOW);
  }
  if ( distance <= 14 )
  {
    digitalWrite(LED2, HIGH);
  }
  else
  {
    digitalWrite(LED2, LOW);
  }
  if ( distance <= 21 )
  {
    digitalWrite(LED3, HIGH);
  }
  else
  {
    digitalWrite(LED3, LOW);
  }
  if ( distance <= 28 )
  {
    digitalWrite(LED4, HIGH);
  }
  else
  {
    digitalWrite(LED4, LOW);
  }
  if ( distance <= 35 )
  {
    digitalWrite(LED5, HIGH);
  }
  else
  {
    digitalWrite(LED5, LOW);
  }
  if ( distance <= 42 )
  {
    digitalWrite(LED6, HIGH);
  }
  else
  {
    digitalWrite(LED6, LOW);
  }
  if ( distance <= 49 )
  {
    digitalWrite(LED7, HIGH);
  }
  else
  {
    digitalWrite(LED7, LOW);
  }
  delay(100);
}

//Project Diagram//

Inspire Award Project | Laser Security Alarm | Best science Project 2022 | Harish Projects

2022-07-18T22:28:00.001-07:00

Watch full Making video - https://youtu.be/1EH_fxebXEU

Connection Diagram -

For support.

How to make Humanoid Robot using esp8266 | Humanoid Robot 2022 | Harish Projects

2022-07-01T07:06:00.006-07:00

I made Humanoid Robot in 5 Days | Humanoid Robot 2022 | Harish Projects

Hello Guys. main hu Harish Choudhary. aaj ke is video me maine ek Humanoid Robot banaya hai , 10th, 11th &12th class ke students ke liye hai. is video ko aap complete watch krna kyuki maine is video me full detailed bataya hua hai, making connection, working etc.

About this Video 1. About Project 2. Components 3. Model Making 4. Esp8266 Connection 5. Servo motor Connection 6. Connect to Phone 7. Working Test Thanks for watching Video Elements

NodeMCU Code

#define ENA 14 // Enable/speed motors Right GPIO14(D5) #define ENB 12 // Enable/speed motors Left GPIO12(D6) #define IN_1 15 // L298N in1 motors Right GPIO15(D8) #define IN_2 13 // L298N in2 motors Right GPIO13(D7) #define IN_3 2 // L298N in3 motors Left GPIO2(D4) #define IN_4 0 // L298N in4 motors Left GPIO0(D3) #include <ESP8266WiFi.h> #include <WiFiClient.h> #include <ESP8266WebServer.h> String command; //String to store app command state. int speedCar = 800; // 400 - 1023. int speed_Coeff = 3; const char* ssid = "Harish Projcts Car"; ESP8266WebServer server(80); void setup() { pinMode(ENA, OUTPUT); pinMode(ENB, OUTPUT); pinMode(IN_1, OUTPUT); pinMode(IN_2, OUTPUT); pinMode(IN_3, OUTPUT); pinMode(IN_4, OUTPUT); Serial.begin(115200); // Connecting WiFi WiFi.mode(WIFI_AP); WiFi.softAP(ssid); IPAddress myIP = WiFi.softAPIP(); Serial.print("AP IP address: "); Serial.println(myIP); // Starting WEB-server server.on ( "/", HTTP_handleRoot ); server.onNotFound ( HTTP_handleRoot ); server.begin(); } void goAhead(){ digitalWrite(IN_1, LOW); digitalWrite(IN_2, HIGH); analogWrite(ENA, speedCar); digitalWrite(IN_3, LOW); digitalWrite(IN_4, HIGH); analogWrite(ENB, speedCar); } void goBack(){ digitalWrite(IN_1, HIGH); digitalWrite(IN_2, LOW); analogWrite(ENA, speedCar); digitalWrite(IN_3, HIGH); digitalWrite(IN_4, LOW); analogWrite(ENB, speedCar); } void goRight(){ digitalWrite(IN_1, HIGH); digitalWrite(IN_2, LOW); analogWrite(ENA, speedCar); digitalWrite(IN_3, LOW); digitalWrite(IN_4, HIGH); analogWrite(ENB, speedCar); } void goLeft(){ digitalWrite(IN_1, LOW); digitalWrite(IN_2, HIGH); analogWrite(ENA, speedCar); digitalWrite(IN_3, HIGH); digitalWrite(IN_4, LOW); analogWrite(ENB, speedCar); } void goAheadRight(){ digitalWrite(IN_1, LOW); digitalWrite(IN_2, HIGH); analogWrite(ENA, speedCar/speed_Coeff); digitalWrite(IN_3, LOW); digitalWrite(IN_4, HIGH); analogWrite(ENB, speedCar); } void goAheadLeft(){ digitalWrite(IN_1, LOW); digitalWrite(IN_2, HIGH); analogWrite(ENA, speedCar); digitalWrite(IN_3, LOW); digitalWrite(IN_4, HIGH); analogWrite(ENB, speedCar/speed_Coeff); } void goBackRight(){ digitalWrite(IN_1, HIGH); digitalWrite(IN_2, LOW); analogWrite(ENA, speedCar/speed_Coeff); digitalWrite(IN_3, HIGH); digitalWrite(IN_4, LOW); analogWrite(ENB, speedCar); } void goBackLeft(){ digitalWrite(IN_1, HIGH); digitalWrite(IN_2, LOW); analogWrite(ENA, speedCar); digitalWrite(IN_3, HIGH); digitalWrite(IN_4, LOW); analogWrite(ENB, speedCar/speed_Coeff); } void stopRobot(){ digitalWrite(IN_1, LOW); digitalWrite(IN_2, LOW); analogWrite(ENA, speedCar); digitalWrite(IN_3, LOW); digitalWrite(IN_4, LOW); analogWrite(ENB, speedCar); } void loop() { server.handleClient(); command = server.arg("State"); if (command == "F") goAhead(); else if (command == "B") goBack(); else if (command == "L") goLeft(); else if (command == "R") goRight(); else if (command == "I") goAheadRight(); else if (command == "G") goAheadLeft(); else if (command == "J") goBackRight(); else if (command == "H") goBackLeft(); else if (command == "0") speedCar = 400; else if (command == "1") speedCar = 470; else if (command == "2") speedCar = 540; else if (command == "3") speedCar = 610; else if (command == "4") speedCar = 680; else if (command == "5") speedCar = 750; else if (command == "6") speedCar = 820; else if (command == "7") speedCar = 890; else if (command == "8") speedCar = 960; else if (command == "9") speedCar = 1023; else if (command == "S") stopRobot(); } void HTTP_handleRoot(void) { if( server.hasArg("State") ){ Serial.println(server.arg("State")); } server.send ( 200, "text/html", "" ); delay(1); }

Project Diagram

Application Link -

https://drive.google.com/file/d/1FjgjN4rq08_9b-Vn_mMrC7H6n5-n1n5O/view?usp=sharing