Articles

How I built a zero-cost financial intelligence system for Indonesian stock investing with automated scraping, AI summarization, and edge deployment.

After years of Duolingo streaks without retention, I built a Japanese vocabulary app with deep explanations, grammar patterns, and home screen widgets.

Before writing any code, I mapped out the core game loop. A Tamagotchi is basically a state machine with feelings.

ESP32 vs Raspberry Pi, IPS vs AMOLED, all-in-one boards vs DIY. The decisions behind building a custom handheld for about $35.

After 8 years of writing backend services, I wanted to build something I could hold in my hands.

How a curiosity about weather data turned into a full-stack platform with interactive maps, 3D terrain, and real-time data from around the world.

What started as "learn Go by building something" became a microservices monorepo, a weather platform, a GIS explorer, and a lesson in software architecture.