👋 Hello, I'm U-Zyn Chua

I'm a software engineer. I build, research and write about technology, artificial intelligence, and the open web. I also mentor startups and teach AI engineering.

Learn more about me or explore my thoughts through my articles.

Recent Posts

Linkblog Raspberry Pi prices have gone through the roof

linkblog raspberry-pi hardware memory prices singapore

Raspberry Pi 4 and Pico

Raspberry Pi prices have been rising aggressively, driven by surging memory chip demand.

What makes it worse is how quickly the hikes have come — two rounds within just two months. The most recent price increase pushed some models to more than double their original MSRP.

Read more...

Linkblog Web browser discrimination

linkblog web browser open-web

Bambu RFID scanner on Flipper Zero

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Passkey Security CTF Challenge for TISC

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Inconsistent keyboard UX on macOS

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DEF CON 33

defcon security

Passkey has a theft detection feature, but Apple, Google and Microsoft broke it

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Passcay: Zig library for passkey auth

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OpenAI Codex

openai ai coding

Guest Lecture at NUS Business School: The Open Web

Fun project 16 years ago

A series of rabbit holes

zig vscode

The Roadmap Pitfall: Companies Should Not Sell Tomorrow's Features Today

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Introducing Tixie

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Digg is coming back

digg open web

Hidden messages from OpenAI GPT 4.5 announcement

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Claude Code is impressive

ai anthropic claude

Thoughts on Perplexity Deep Research, after 24 hours of heavy use

ai deep research perplexity

OpenAI on Open AI Strategy

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Switching cost for AI models is $0

ai deepseek openai