AI Engineer building computer vision & intelligent systems for agritech at PT. Great Giant Pineapple (Gunung Sewu Group). I write about engineering data pipelines, automating workflows, and the tech stack I use to build intelligent systems.
A mathematical deep dive into why ChArUco boards have become the gold standard for camera calibration — with Python code, real-world results from a guava sorting system, and the math behind sub-pixel corner interpolation.
July 14, 2026Every AI agent tutorial shows a dozen providers, six models, and three proxies. Here is the boring, reliable version: one provider that works, one fallback that probably does not.
June 20, 2026I wanted my AI agent to find real papers, not hallucinated citations. Here is how I deployed the openags paper-search MCP server to a small VPS and what I learned.
June 20, 2026Every API key expires eventually. Here is the exact sequence I follow when a provider goes dark: diagnose, isolate, switch, verify, document. No panic, no guessing.
June 20, 2026Telegram started ignoring my bot. The fix was a 30-line Cloudflare Worker acting as a clean-IP proxy. Here is the full setup, the gotchas, and the cost math.
June 20, 2026