$ Hi there, I'm Percy

$ Sometimes I
building fun tools
making videos
sharing knowledge
exploring frontier AI tech

EDUCATION

Logo

Xidian University

Computer Science

Feel free to reach out! Whether for collaboration, brainstorming, or just exchanging ideas, I'd love to connect and explore new possibilities together.

Recent Updates NEWS
CONST BRACKRAT = NEW TERMINAL('ACTIVITY')
BrackRat @ Fedora
pts/0:
up: ...
~/activity
TIME CAT MEMORY.DUMP LINKS #
// 2024
2024-02 RELEASE

New Released Nuxt Full-Stack Blog

Developed a full-stack blog system based on the Nuxt framework, supporting multi-terminal adaptation and modern design. Released an introduction and demonstration video.

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// 2023
2023-09 JOIN

Joined NEP Lab

Officially became a member of the NEP Lab at Xidian University, starting exploration and research in related fields.

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// 2022
2022-10 RELEASE

Video: How much information is hidden in original images?

A popular science video discussing image metadata and privacy security, which gained over 100k views.

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2022-10 PROJECT

Developed AI Tag Generator

Developed an online Tag generator tool for AI drawing, greatly lowering the threshold for AI drawing. The related video gained over 450k views.

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2022-09 VIDEO

Video: Decrypting Phigros Mid-Autumn Festival Image

In-depth analysis of the decryption process behind the Phigros Mid-Autumn Festival greeting image. Views exceeded 220k.

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// 2021
2021-05 VIDEO

Video: Dark Forest Visualization

Explored the Dark Forest theory from 'The Three-Body Problem' visually. The video received a huge response, with over 780k views.

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2021-04 VIDEO

Video: The Secret of Moiré Patterns

Explained the principle of Moiré patterns and the secrets of raster animation and decoding cards, gaining 240k+ views.

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2021-03 VIDEO

Video: Sticky Keys are actually very useful!

Detailed popularization of practical scenarios and functions of Windows Sticky Keys. 410k+ views.

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My Journey TIMELINE
cat ~/experience/timeline.log
BrackRat @ Fedora
total: 4 entries
up: ...
~/experience
Present
academic
| 2023 — Present
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NEP Lab Member

@ NEP Lab, Xidian University · Xi'an

Conducting research and development in electronic contests, robot control algorithms, computer vision, and deep learning at NEP Lab.
developer
| 2022 — Present

Independent Full-stack Developer

@ Open Source & Personal Projects · Remote

Building practical tools and modern web applications from scratch.
creator
| 2021 — Present

Bilibili Content Creator

@ Bilibili (BrackRat 波西) · Online

Creating engaging video content covering programming, AI, popular science, and creative experiments.
2027
education
| 2023 — 2027
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Undergraduate Student

@ Xidian University · Xi'an

Majoring in Computer Science and Technology with a solid foundation in computer science.
Selected Projects SHOWCASE
const projects = new Portfolio('showcase')
BrackRat @ Fedora
BrackRat . 10 projects across AI, Web & Systems, 4 independently built:
up: ...
~/projects/all
BrackRat@projects:~$ grep -i '...'
2025 1 projects
Robotics | 👤lead
Aug 2025

Multi-stage Electromagnetic Gun

Multi-stage Electromagnetic Gun
Designed and built a multi-stage coaxial coil electromagnetic gun capable of precision shooting. Won First Prize in the Experimental Track of the 3rd National Electromagnetic Contest.
Source Hardware Electromagnetics Control Competition
2024 3 projects
Robotics | 👤lead
Sep 2024

NUEDC Chess Robot (E-Chess)

NUEDC Chess Robot (E-Chess)
NUEDC 2024 Problem E: Tic-Tac-Toe. Developed a robot system capable of playing chess with humans.
Source Robotics Embedded NUEDC Computer Vision
community | 👤lead
Sep 2024

XDU Half-Radio Amateur Radio Station

XDU Half-Radio Amateur Radio Station
Xidian University amateur radio club, inheriting the red communication spirit and exploring frontier wireless technologies.
Source Amateur Radio Community XDU Hardware
AI | 👤lead
Jul 2024

AI Script Assistant

National Undergraduate Innovation Training Program project.
Source AI Agent Fullstack
Awards & Honors

9 awards spanning categories

2026

Bilibili 50k Followers Milestone (BrackRat)

Bilibili

Mar 2026
other

2025

First Prize - National Undergraduate Electronics Design Contest (Automatic Aiming System)

NUEDC Committee

Sep 2025
competition

Excellent Grade - National Undergraduate Innovation and Entrepreneurship Training Program

Ministry of Education

Jul 2025
honor

Excellent Grade - National Undergraduate Innovation and Entrepreneurship Training Program (AI Script Assistant)

Ministry of Education

Jul 2025
honor

Special Grand Prize - Inter-University League of National Undergraduate Electronics Design Contest

NUEDC Committee

Jun 2025
competition

Second Prize - National Undergraduate Computer Design Contest

Computer Design Contest Committee

Jun 2025
competition

Taobao.com Security Vulnerability Recognition (Low Risk)

Alibaba Security Center

May 2025
other

2024

First Prize - National Undergraduate Electronics Design Contest (E-Chess Robot)

NUEDC Committee

Sep 2024
competition

First Prize - 3rd National Electromagnetic Contest (Experimental Track)

National Virtual Teaching & Research Office of Electromagnetic Field

Aug 2024
competition