Senior pre-sale analyst by day, hardware hacker & AI automation builder by night. I design and ship tools that bridge the gap between electronics, LLM capabilities, and real-world workflows. My stack: Python / FastAPI / C++ / ESP32 / Docker / n8n / LLM APIs.
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MP3 Player in a Cassette Shell A portable MP3 player hidden inside a real 1980s audio cassette. DFPlayer Mini + Li-Po battery + blue LED that pulses with the music. No microcontroller, no code — pure analog meets digital. Total cost:
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Palm-sized AI that listens, thinks, and speaks ESP32-S3 + Xiaozhi firmware. 45×30×16mm. Wi-Fi connected, OLED status display, cloud AI speech processing. All off-the-shelf modules, hand-soldered, transparent case showing every component.
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Autonomous IoT desk clock on ESP32-C3 Vertical OLED display showing time, date, temperature, humidity, and pressure. NTP sync over Wi-Fi. Li-Ion battery with USB-C charging. All firmware in C++.
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Chrome extension (MV3) for offline PII anonymization in Russian text.
Processes everything locally in the browser — names, phones, INNs, passports, addresses, bank accounts. One-click restore via dictionary export/import. Supports PDF files.
JavaScript Chrome Extension MV3 PDF.js Regex — 
Autonomous AI agent for searching and evaluating vacancies on HH.ru.
Generates search queries, parses HH API, evaluates matches via LLM, displays ranked results in a web dashboard, and generates personalized cover letters.
Python FastAPI APScheduler SQLite Docker — 
Browser-based frame-accurate video segment annotation tool.
Open index.html — no server, no build step, no dependencies. Mark segments with [ and ], assign labels, export structured JSON.
HTML JavaScript Video API — 
AI-powered project assistant with document management and Obsidian integration.
Upload project docs, chat with AI in context, auto-anonymize PII, save analysis artifacts directly to Obsidian vault via WebDAV sync.
Python FastAPI Vanilla JS SQLite Docker Obsidian — 
