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Notes where I record what I learn while taking systems apart, analyzing bugs and writing tools. Pick a category to narrow it down.

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Arduino + C# ile PC kontrollü WS2812B LED sistemi kapak görseli
Hardware & Firmware

A PC-Controlled WS2812B LED System with Arduino and C#

An old maker project: driving a WS2812B addressable LED strip with an Arduino and changing effects/brightness over serial from a C# Windows Forms app, with the wiring, mode logic, command protocol and code.

June 19, 2026
BMW E87 K-CAN Arduino kapak görseli
Reverse Engineering

Reading BMW E87 Steering Wheel Buttons over K-CAN with Arduino

An experiment on my BMW E87 116i: listening to the K-CAN bus with an Arduino and MCP2515 and reading the steering wheel buttons (ID 0x1D6) in the Serial Monitor, with the filtering/decoding code and real output I used.

June 18, 2026
Viber Frida SSL pinning kapak görseli
Reverse Engineering

Analyzing SSL Pinning on Viber 26.6.4.0 with Frida: A 101 Walkthrough

How I analyzed the SSL pinning behavior of Viber 26.6.4.0 with Frida: pulling the APK, finding the relevant methods in JADX, and writing my own Frida script.

June 18, 2026