"Turning the airwaves into a digital ocean."

I am proud to unveil Periscope-OS, a tactical, passive signals intelligence (SIGINT) suite built for the M5Stack M5StickS3. This project transforms a pocket-sized micro-controller into a silent hunter, mapping the 2.4 GHz spectrum without ever transmitting a single frame.

Key Tactical Capabilities

• Passive RF Visualizer: Live, volumetric spectrum analysis across channels 1–11 with real-time decay physics.
• DPI Sniffer Engine: Automatically detects and dissects malicious 802.11 management frames (Deauth/Disassociation).
• Hardware Fingerprinting: OUI-based lookup to identify adversarial equipment (Flipper Zero, Raspberry Pi nodes, Alfa cards, etc.).
• Spatial Sonar Radar: 360-degree direction-finding using IMU-based body-shielding calculus.
• Tactical Logbook: An integrated, scrollable database to store threat dossiers on internal flash memory.

                                   |
                               _  _|_  _
                              [_ _ _ _ _]
                                \_____/
                                   |
                 __________________|__________________
                /  _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  \
               /  /                                 \  \
 _____________/  /      [ SILENT RUNNING MODE ]      \  \_____________
|               /                                     \               |
|==============|==============[ ELINT ]================|==============|

Why "Periscope-OS"?

Modern wireless attacks are often invisible to the naked eye. Periscope-OS gives you the ability to observe the digital battlefield while remaining completely undetected. Using the M5StickS3’s onboard IMU and radio hardware, it acts as a digital periscope, breaking the surface of the wireless spectrum to identify threats before they hit your network.

Operational Manual

Whether you are performing a security audit, validating network integrity, or conducting a wireless fox-hunt, the interface is designed for rapid engagement:

• Radar View: Track blips, lock onto attacker MACs, and use the haptic motor to track threats while in stealth mode.
• Visualizer: Use the live spectrum bars to detect active transmission hotspots.
• Logbook: Hold Button B to review captured threat manifests.

Join the Project

Periscope-OS is open-source and released under the MIT License. I invite the community to audit the code, contribute to the OUI database, and deploy it for educational security research.

Resources:
View Repository on GitHub
Join The Discord

© 2026 @M5RogueOps | Periscope-OS is for educational, defensive validation, and security auditing purposes only.