Essays
A detailed walkthrough of designing a four-layer debug board for the Russian RISC-V microcontroller K1921VG015, covering JTAG, ADC, I2C peripherals, NFC, CAN, UART, SPI interfaces, and lessons learned from the layout process.
Essays
The story of how Microsoft hired Anders Hejlsberg away from Borland, used his Delphi expertise to create C# and .NET, and ultimately displaced Delphi from the mainstream development world.
Essays
A detailed hardware teardown of the Siemens M55 mobile phone, exploring its Infineon E-Gold platform, PMB7850 SoC with C166S microcontroller and TeakLITE DSP, memory configuration, power management, display technology, and the curious firmware limitations that held back its capabilities.
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The story of Murat Urtembayev, a Moscow State University graduate who in 1982 planted a logic bomb in the AvtoVAZ assembly line code — the first cybercrime in Soviet history — and why calling him a 'hacker' misses the point entirely.
Essays
A deep dive into the Ts20, the iconic Soviet analog multimeter that became the faithful companion of generations of radio hobbyists. The article covers its elegant circuit design, explains how a single microammeter is transformed into a milliammeter, voltmeter, and ohmmeter using precision resistor networks.
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When Selectel's transition to VXLAN threatened to break their traffic analysis system, they turned to eBPF to decapsulate packets at line rate. This article walks through the Linux network stack internals, eBPF hook points, and a production solution handling 6 million packets per second.
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After 10 years with the same PC, the author documents a complete system rebuild in 2025, covering modern case design trends, cooling solutions, DDR5 memory, and whether the upgrade was truly worth $2,800.
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A hands-on guide to building a Linux kernel TTY driver for an AXI UARTLite peripheral on a Xilinx FPGA connected via PCIe XDMA, complete with full driver source code, a Python direct-access alternative, and performance profiling.
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Many developers start with SOLID and GoF patterns, but feel a gap in understanding responsibility distribution and domain modeling. GRASP fills this gap by providing a design methodology that precedes and complements SOLID.
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The incredible saga of Boeing B-29 Superfortress 'Kee Bird' — from its emergency belly landing on a frozen Greenland lake in 1947 during a secret Arctic reconnaissance mission, through ambitious multi-year recovery expeditions in the 1990s, to its tragic destruction by fire moments before its triumphant flight home.
Essays
A detailed build log of a DIY tracked robot called 'Caretaker' featuring an ESP32-CAM, AI-assisted design with 1500+ generated images, custom 3D-printed chassis, SLA-printed housing, and Home Assistant integration for remote control and video streaming.
Essays
A hands-on experiment to restore a Haier 58 Smart TV MX with a failed display matrix by isolating damaged driver contacts on the T-CON board, using a custom switching board with DIP switches to find the optimal pin configuration.