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Research, Tutorials & Technical Write-ups

Deep dives into security hardware, firmware development, and wireless protocol research.

Building a BLE Jammer from Scratch with ESP32

A deep dive into BLE signal architecture, why jamming works, and how to implement it cleanly in firmware — the full engineering story behind DisruptorX.

Nov 10, 202512 min readRahul Thareja

ResearchWiFi5GHzResearch

5GHz Deauthentication is Still Possible in 2025 — Here's Why

802.11w exists. WPA3 exists. And yet we can still deauth 5GHz networks with a cheap ESP32 module. A research breakdown of what the spec says vs. what happens in practice.

Oct 18, 20258 min readRahul Thareja

TutorialResearchRF433MHzReplay

How RF Replay Attacks Work at 433MHz

Capturing, analyzing, and replaying 433MHz signals from garage doors and wireless sensors using the RF Annihilator. A practical tutorial with real captures.

Sep 5, 202510 min readRahul Thareja

TutorialKiCadPCB DesignESP32

Designing Your First ESP32 PCB in KiCad

Step-by-step walkthrough of designing an ESP32-based security research tool PCB: schematic capture, layout rules for RF, and ordering from JLCPCB.

Aug 15, 202515 min readRahul Thareja