Blackhole Badge

Description

Featuring the Defcon 33 Blackhole Badge. Kaizen Labs Summer 2025 Release.

May all your problems be lost in a blackhole of chaos and singularity.

ESP32-BlueJammer Based – Wireless Disruption & Security Testing Tool made into a Defcon Badge

The ESP32-BlueJammer is a powerful, compact device designed for security testing and controlled wireless interference across 2.4GHz frequencies. Using an ESP32 and nRF24 modules, it can disrupt Bluetooth, WiFi, BLE, RC drones, and other IoT devices operating in the 2.4GHz spectrum.

Key Features:

✅ Disrupts 2.4GHz communications – Affects Bluetooth audio, WiFi networks, RC drones, and more.
✅ Customizable range – Up to 30+ meters, extendable with larger antennas.
✅ DIY or Pre-Soldered Options – Choose between a DIY PCB for hands-on assembly or a pre-soldered ESP32 module for easier setup.
✅ Compact & Portable – Designed to fit neatly in a 3D-printed case with an easy-to-use interface.
✅ Simple Flashing Process – Use the ESP32-BlueJammerFlasher for quick firmware installation.

What’s Needed?

• ESP32 Dev Module (Recommended: ESP32-32U CP2102)
• nRF24L01+PA+LNA (x2) for extended range
• Optional: Battery module, TP4056 charger, additional antenna for better stability

For Security Research & Ethical Use Only

⚠️ Important: Jamming is illegal in most regions. This device is strictly for educational purposes, security testing, and research. Use responsibly!

⚠️ 3x AA Batteries Not Included

Want to build your own? Check out the GitHub repository for assembly instructions, firmware, and hardware details:
👉 View on GitHub