ESP32-prank-beeping

ESP32 Captive Portal Prank 😈

A fun ESP32 captive portal project that creates a fake public WiFi network and opens a hacker-style prank webpage with:

• Matrix rain effect
• Fake security alerts
• Long warning beeps
• Vibrations
• Flash effects
• Fireworks animations
• Captive portal auto redirect

Built using:

• ESP32
• Arduino IDE
• HTML/CSS/JavaScript
• DNSServer
• WebServer

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Features

✅ Fake Public WiFi
✅ Auto Redirect Captive Portal
✅ Matrix Hacker Animation
✅ Touch Triggered Alert Sound
✅ Flash Effects
✅ Vibrations
✅ Fake System Logs
✅ Fireworks Animation
✅ Offline Working
✅ Mobile Friendly

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WiFi Name

Free_Public_WiFi

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Default IP

192.168.4.1

If the captive portal does not open automatically, manually open:

http://192.168.4.1

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Required Components

• ESP32
• USB Cable
• Arduino IDE

Optional:

• OLED Display
• LCD Display
• Buzzer
• LEDs

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Required Libraries

Install these libraries in Arduino IDE:

• WiFi.h
• WebServer.h
• DNSServer.h

ESP32 Board Package:

• ESP32 by Espressif Systems

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Arduino IDE Setup

Add ESP32 Board URL

Go to:

File → Preferences

Paste:

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

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Install ESP32 Board

Go to:

Tools → Board → Boards Manager

Search:

esp32

Install:

ESP32 by Espressif Systems

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Upload Steps

1. Connect ESP32 via USB
2. Select:

   ESP32 Dev Module

3. Select COM Port
4. Upload code
5. Open Serial Monitor
6. Connect phone to WiFi

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Captive Portal Routes

The project redirects common captive portal detection URLs:

• /generate_204
• /fwlink
• /hotspot-detect.html

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Manual Access (Important)

Some phones may NOT automatically open the captive portal page because modern Android/iPhone browsers sometimes block or ignore captive portal detection.

If the webpage does not open automatically:

Step 1

Connect to WiFi:

Free_Public_WiFi

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Step 2

Open any browser manually.

Examples:

• Chrome
• Firefox
• Edge
• Safari

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Step 3

Type this IP address manually:

http://192.168.4.1

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If Still Not Opening

Try these fixes:

• Turn OFF mobile data
• Reconnect to WiFi
• Open browser manually
• Refresh the page
• Try another browser

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Audio Not Working?

Modern browsers block autoplay audio for security reasons.

Solution:

• Tap anywhere on the screen once
• Sound effects will start automatically after interaction

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Common Issues

Problem	Solution
WiFi not visible	Restart ESP32
Portal not opening	Open 192.168.4.1 manually
No sound	Tap on screen
Upload failed	Hold BOOT button while uploading
Page loading issue	Disable mobile data

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Serial Monitor Output

Expected output:

WiFi Started
IP Address: 192.168.4.1
Captive Portal Started

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Project Structure

ESP32-Captive-Portal/
│
├── ESP32_Captive_Portal.ino
├── README.md
└── .gitignore

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Future Improvements

• OLED animations
• Local MP3 using LittleFS
• RGB LED sync
• WebSocket live effects
• OTA updates
• OLED hacker face
• LCD status panel
• Real-time animations

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Warning

This project is intended ONLY for:

• fun
• learning
• educational demonstrations

Do NOT use it for:

• phishing
• impersonation
• illegal activity
• causing panic

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License

MIT License

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Author

Made with ESP32 + chaos 😏 @aucxtix