PHYSICAL AI & ROBOTICS

Building Physical AI
for my wife and child.

Full-Stack Engineer working across hardware, embedded systems, software and robotics.

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Projects

01

PhysicalAI Dev Board 26.08

Physical AI · ESP32-S3 · Embedded · Dev Board

A compact development platform designed for Physical AI devices. Custom PCB, firmware and enclosure, built from scratch.

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02

320kbps

FFmpeg · Open Source · Web Development

320kbps is a collection of simple media tools powered by FFmpeg. Configure a few options, convert files directly in your browser, or get the FFmpeg command to run locally. Browser-based conversions run locally, so your files don't need to be uploaded.

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02

About

I am Evan Liu, a full-stack engineer building systems across hardware, embedded software and AI applications.

My current focus is Physical AI: bringing intelligence out of the screen and into the physical world.

03

Archive

2026 zy.limeai.net

LimeAI Craft

An AI-powered multimodal educational resource generation engine.

2006 320kbps.com

Music 2.0

Where it started. An early experiment on the web, now preserved as part of the story behind 320kbps.com.

NOW

Designing hardware.
Writing firmware.
Building software.
Exploring Physical AI.