https://sudonull.com/control-of-raspberry-pi-pico-via-openplc-and-modbus-rtu
How to integrate Raspberry Pi Pico W into an automation system with OpenPLC and Modbus RTU. Addressing, setup, limitations of the DIY approach.
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https://sudonull.com/openvpn-keycloak-oauth2-setup
Integration of OpenVPN with Keycloak via openvpn-auth-oauth2. Step-by-step setup on Ubuntu 24.04, nginx and server configs. For DevOps and sysadmin.
https://sudonull.com/simd-optimization-of-mandelbrot-avx2-openmp-cuda
Boosting the Mandelbrot set: from 7 FPS scalar C++ to 500+ FPS on CUDA. AVX2 intrinsics, OpenMP multithreading, GPU code. Benchmarks Ryzen 5 + RTX 3050. For middle/senior developers.
https://sudonull.com/sse-notifications-in-spa-real-time-without-polling
Integration of SSE and Mercure for asynchronous updates in SPA. Reuse of OpenAPI schemas, CDC for DB changes. Guide for middle/senior dev.
https://sudonull.com/mandelbrot-animation-80-bit-ssaa-8x8
Generation of Mandelbrot fractal video with 80-bit precision, 64x supersampling and OpenMP. Source code, FFmpeg optimization, render pipeline. Download and run.
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