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My Biography
Ray-Fire Lab
⚡ The Meaning of Rayfire Lab
Development Tools
Porting Arduino Core to Nuvoton M051 / M058 Series
Make your own Arduino Uno
PyQT5 Serial Monitor
Python Serial Monitor
Inventions
CrowPanel-specific GPIO wiring table
Engineering & Science
Electronics
Resources about DCPU-16 Tiny Virtual Machine before the Reconstruction
Notch’s DCPU-16
Learn C the Hard Way and Notch’s DCPU-16
Reconstruct the lost chapters of LCTHW
Exercise 48: A Tiny Virtual Machine – Part 1: Spec & Loader
Exercise 49: A Tiny Virtual Machine – Part 2: Interpreter Core
Exercise 50: A Tiny Virtual Machine – Part 3: Arithmetic & Branching
Exercise 51: A Tiny Virtual Machine – Part 4: I/O and Debugging
Exercise 52: A Tiny Virtual Machine – Part 5: Compiler for Bytecode
AGXCore-8 Modular Computer System
John’s 8bit computer from Scratch
About AGX-8
AGXCore-8
AGXCalc-8
From Wires to Python — AGXCore-8 Language Stack Overview
Extending Ben Eater’s CPU with Stack Mechanism and Function Call Support
C-like programming language for John’s DCPU-8 computer
DCPU-8 Stock-able Computer
DCPU-8 Instruction Set v0.1
Bonus: Suggested Improvements
Astronomy
My strophotography images of Jupiter Part I
Select My strophotography images of Jupiter Part II
Deep Sky Imaging Report: Bode’s Galaxy (M81) 4/3/2025
Ghost Jupiter Observation 4/3/2025
4 Stars Test for Spring 2025
🔭 Astrophotography Observation Report M13 – The Great Hercules Cluster 5/8/2025 @ 9:00 PM PDT
🔭 Astrophotography Observation Report M3 – Globular Cluster in Canes Venatici5/8/2025 @ 9:00 PM PDT
🔭 Astrophotography Observation Report M44 – The Beehive Cluster (Praesepe) 5/8/2025 @ 9:00PM PDT
🔭 Comparing M3, M5, M13, and M44 – A Deep-Sky Journey 5-8-2025
🔭 Astrophotography Observation Report M5 – Globular Cluster in Serpens 5/8/2025 @ 9:00 PM PDT
Deep Sky Imaging Report: Orion Nebula (M42) 4/3/2025
Computer Science
Arts
John’s Online Gallery
Painting
“A Silent Scream”
“The Afternoon Path at Snow Creek Ballpark”
《Still Life：Poetry of Lotion》
Drawing
“Cyborg of Thought: A Dissection of Capital and Chaos”
“Twilight of the Wind: Sunset at Gaomei Wetlands”
Photography
Astrophotography
Normal Photography
Calligraphy
AI Generated
Combat Cinderella
Combat Cinderella: Temple After Dark Draft
Combat Cinderella Major Arcana
Combat Cinderella Tarot: 0. The Fool
Combat Cinderella Tarot: I. The Magician
Combat Cinderella Tarot: II. The High Priestess
Combat Cinderella: VIII. The Strength
Combat Cinderella Tarot: IX. The Hermit
Combat Cinderella Tarot: XI. Justice
Combat Cinderella Tarot: XV. The Tower
Combat Cinderella: XVII. The Star
Combat Cinderella Tarot: XVIII. The Moon
Combat Cinderella: XIX: The Sun
Who (or what) is the Buddha?
Artea: Pie in the Rain – Part I 5/19/2025
Wiki
Git
English
English
中文 (台灣)
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Wan Xiang Card: How is Xan Xiang Card born