https://sudonull.com/apcs-emulation-modbus-rtu-controllers
Learn how to create a software emulator for testing APCS on Delphi. Emulation of Modbus, MDVV, command queues. Speed up debugging without hardware. For middle/senior dev.
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https://sudonull.com/wincc-redundancy-in-workgroup-dcom-setup
Step-by-Step Implementation of Hot Standby WinCC 7.5 on Windows Server 2012R2 without Domain. DCOM, SIMATIC Shell, Pitfalls and Solutions for APCS Specialists. Production Case.
https://sudonull.com/razer-blade-18-2026-review-of-a-gaming-laptop-with-desktop-power
Razer Blade 18 with RTX 5090 and Intel Core Ultra 9 is positioned as an AI station. Find out if it's worth $7000 and whether it can replace a PC. Detailed analysis inside.
https://sudonull.com/pc-without-ram-on-cpu-cache-how-to-run
Learn how to run a PC without RAM, using only processor cache. Experiment with BIOS, assembler and 'Snake'. Technical details for developers.
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