OV2640 - 75 MM is not working with ESP32 cam [closed]

im using ov2640 - 75MM cam with esp32 cam module for collecting the images for my project .using this code .

here is the code -

/**
 * Optimized for OV2640 2MP 75mm Camera Module
 * Corrected for Eloquent ESP32Cam Library
 */

#define WIFI_SSID ""
#define WIFI_PASS ""
#define HOSTNAME "esp32cam"

#include <eloquent_esp32cam.h>
#include <eloquent_esp32cam/extra/esp32/wifi/sta.h>
#include <eloquent_esp32cam/viz/image_collection.h>

using eloq::camera;
using eloq::wifi;
using eloq::viz::collectionServer;

void setup() {
    delay(3000);
    Serial.begin(115200);
    Serial.println("OV2640 75mm CAMERA OPTIMIZED SETUP");
    Serial.println("Camera: 2MP, 68° FOV, 75mm lens");
    Serial.println("Max Resolution: UXGA 1600x1200");

    // Camera configuration for 24-pin OV2640
    camera.pinout.aithinker();  // Most common for ESP32-CAM
    camera.brownout.disable();
    
    // Start with VGA for stability
    camera.resolution.vga();    // 640x480 - Most stable
    camera.quality.high();

    Serial.println("Initializing OV2640 camera...");
    
    // Camera initialization with retry
    for (int attempt = 1; attempt <= 5; attempt++) {
        Serial.print("Attempt ");
        Serial.print(attempt);
        Serial.println(": Initializing camera...");
        
        if (camera.begin().isOk()) {
            Serial.println("✅ OV2640 Camera initialized successfully!");
            Serial.println("📷 Resolution: VGA (640x480)");
            break;
        } else {
            Serial.print("❌ Failed: ");
            Serial.println(camera.exception.toString());
            
            if (attempt == 5) {
                Serial.println("\n🔧 TROUBLESHOOTING STEPS:");
                Serial.println("1. Use EXTERNAL 5V 2A power supply (not USB)");
                Serial.println("2. Check all 24 pins are properly connected");
                Serial.println("3. Try camera.pinout.wrover() instead");
                Serial.println("4. Remove lens cap and ensure good lighting");
                Serial.println("5. Try lower resolution: camera.resolution.qvga()");
                return;
            }
            delay(2000);
        }
    }

    // WiFi connection
    Serial.println("📡 Connecting to WiFi...");
    while (!wifi.connect().isOk()) {
        Serial.print("WiFi: ");
        Serial.println(wifi.exception.toString());
        delay(2000);
    }
    Serial.println("✅ WiFi connected");

    // Image collection server
    Serial.println("🌐 Starting image collection server...");
    while (!collectionServer.begin().isOk()) {
        Serial.print("Server: ");
        Serial.println(collectionServer.exception.toString());
        delay(2000);
    }
    
    Serial.println("\n🎉 SYSTEM READY!");
    Serial.println("══════════════════════════════");
    Serial.println("📷 Camera: OV2640 75mm 2MP");
    Serial.println("📡 WiFi: Connected");
    Serial.print("🌐 Server: ");
    Serial.println(collectionServer.address());
    Serial.println("══════════════════════════════");
    Serial.println("Open the above URL in browser to collect images");
}

void loop() {
    delay(1000);
}

output - ✅ WiFi connected

🌐 Starting image collection server...

🎉 SYSTEM READY!

══════════════════════════════

📷 Camera: OV2640 75mm 2MP

📡 WiFi: Connected

🌐 Server: Image Collection Server is available at http://10.142.20.240

══════════════════════════════

Open the above URL in browser to collect images