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GeezerVison is showing github.com — jinchuntan - Overview

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Nigel Tan jinchuntan

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I may be slow to respond.
5x Hackathon Winner | Agora Ambassador | Semiconductor Engineer | AI Researcher
  • Monash University
  • https://tanjinchun.com
  • https://orcid.org/0009-0000-6850-8570
  • in/tanjinchun
  • https://learn.microsoft.com/en-us/users/tanjinchun/
  • https://www.freecodecamp.org/tanjinchun
  • https://www.credly.com/users/tanjinchun
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jinchuntan/README.md

Nigel Tan — Signals to impact. An original circuit illustration connects a chip to a signal trace.

Portfolio  ·  LinkedIn  ·  Research  ·  Credentials  ·  Email

I'm Tan Jin Chun (Nigel), a physical design engineer in Kuala Lumpur. I build tools for chip-design workflows and research uncertainty-aware monitoring.

Hackathon projects

Jaga: an original illustration of a message, a protective shield and a voice device.
Jaga
3rd place · Codex Malaysia 2026

Scam checks across web, Telegram and an ESP32 voice companion.

Code · Demo · Award & story
Waddle: an original illustration of suppliers connecting to a procurement workspace.
Waddle
Winner · Dollar Track · AI.SEA $1 Sprint

Supplier discovery and procurement conversations for SMEs.

Code · Product · Recognition
Kintsugi Notes: an original illustration of a study card repaired with a golden seam.
Kintsugi Notes
Iteration Machine · Special Prize · DSH Hacks V1

Turns study mistakes into explanations and targeted practice.

Code · Demo · Award
Persephone: an original illustration of a wearable event badge and a voice waveform.
Persephone
Top 5 finalist · Robotics & Physical AI · Agentic AI Build Week

An ESP32 voice badge that turns audience questions into a shared Q&A feed.

Code & firmware · Architecture · Recognition

Jaga, Waddle and Persephone are team projects with Nathan Hor. Kintsugi Notes is an individual project.

Research: ConfoSense — forecasting, conformal prediction and reliable building alerts.

More projects & recognition
Project Highlight Explore
Presence Postcard 1st place · AR Track, Pacific Portal XR 2026 Project overview
Purrmit Top 3 finalist · Lovable Healthcare Operations Code · Demo
Quipus Conversation memory and compact recording hardware Code
RoomLab Multiplayer spatial learning prototype Code

Also: ProcurePilot · GotongFlow · OCI field tools

Open source

94 public upstream PRs across 25 repositories: 46 merged, 43 open, 5 closed without merging.

IC design

OpenROAD 3 merged
OpenROAD flow scripts 2 open
KLayout 1 closed
OpenRAM 3 merged
LibreLane 1 open

AI & data

LangChain.js 4 open
Hugging Face Datasets 1 merged · 7 open
LeRobot 1 open
Ollama 2 open
pandas 1 open
ROOT 1 closed

Developer tools

Ruff 2 closed
Prettier 1 closed
pytest 1 open
Snakemake 1 merged
8f4e 14 merged · 1 open
FleetPilot 2 merged
vibeCI 1 merged · 1 open
Pyrite 12 merged

More repositories
codexu/note-gen 6 merged · 7 open

hanzoai/ml 1 open

khoj-ai/khoj 5 open

langgenius/dify 3 open

lfnovo/open-notebook 1 merged · 1 open

openhwfoundation/cv32e40p 2 merged · 5 open

Explore all 94 pull requests
Repository Pull request Status
8f4e/8f4e #1115 · docs(compiler): add a runnable public API quickstart Merged
8f4e/8f4e #1114 · test(compiler): cover unsigned shifts and notZero at runtime Merged
8f4e/8f4e #1113 · fix(tokenizer): avoid temporary source-line pairs Merged
8f4e/8f4e #1111 · fix!: use allocation-unit terminology for memory layouts Merged
8f4e/8f4e #1101 · fix(semantic-utils): remove unused block depth cache Merged
8f4e/8f4e #1100 · fix(stack-analyzer): validate localSet float widths Merged
8f4e/8f4e #1093 · fix(tokenizer): reject non-ASCII entity names Merged
8f4e/8f4e #1091 · fix(memory-reference-resolver): preserve float64 metadata bounds Open
8f4e/8f4e #1090 · fix(memory-planner): preserve float64 array value types Merged
8f4e/8f4e #1089 · fix(tokenizer): preserve exponent signs in compile-time expressions Merged
8f4e/8f4e #1088 · fix(wasm-codegen): preserve one-element array initializers Merged
8f4e/8f4e #1087 · fix(tokenizer): reject overflowing hexadecimal and binary literals Merged
8f4e/8f4e #1082 · fix(tokenizer): invalidate cached ASTs after source edits Merged
8f4e/8f4e #1080 · fix(project-preparser): preserve note block content Merged
8f4e/8f4e #1078 · fix(compiler): reject invalid array sizes Merged
astral-sh/ruff #29454 · [flake8-use-pathlib] Add an autofix for the last path component (PTH206) Closed
astral-sh/ruff #29453 · [flake8-use-pathlib] Add an autofix for extension access (PTH122) Closed
ChristianHandy/FleetPilot #111 · Add tests for scheduler settings and automatic updates Merged
ChristianHandy/FleetPilot #110 · Add tests for the example Slack notification plugin Merged
codexu/note-gen #1314 · fix(#1082): reveal folders through the desktop file manager Open
codexu/note-gen #1313 · fix(#762): allow full URLs for HTTP speech endpoints Open
codexu/note-gen #1312 · fix(#1294): keep tab content paired with its file snapshot Merged
codexu/note-gen #1311 · feat(#1056): customize HTML exports with CSS and JavaScript Open
codexu/note-gen #1310 · feat(#943): add Gitea image hosting Open
codexu/note-gen #1309 · fix(#1046): open note links from AI replies inside NoteGen Open
codexu/note-gen #1308 · feat(#1200): add independent inline code colors Open
codexu/note-gen #1307 · feat(#1235): convert headings and text from the selection toolbar Merged
codexu/note-gen #1306 · fix(#1081): keep records visible in narrow desktop windows Merged
codexu/note-gen #1305 · fix(#1048): match outline text size to the file tree Merged
codexu/note-gen #1304 · fix(#1301): preserve line breaks in saved table cells Open
codexu/note-gen #1303 · fix: declare the sync error formatter return type Merged
codexu/note-gen #1302 · fix(#1300): migrate the saved search route on startup Merged
hanzoai/ml #25 · fix(hanzo-3d): use log-scale and logit opacity in PLY Open
huggingface/datasets #8847 · Hide GPUs before spawning TensorFlow data workers Open
huggingface/datasets #8846 · Restore packaged type information and public re-exports Open
huggingface/datasets #8845 · Copy existing tensors without a PyTorch warning Open
huggingface/datasets #8844 · Warn once when resuming a shuffled dataset Open
huggingface/datasets #8843 · Fix mask resizing in the semantic segmentation guide Open
huggingface/datasets #8842 · Include the config name when no data files are found Open
huggingface/datasets #8841 · Handle UTF-8 BOMs in every JSON input file Open
huggingface/datasets #8840 · Fix indices buffer loading in Dataset.from_buffer Merged
huggingface/lerobot #5004 · Add image size and JPEG quality controls to dataset viewer Open
khoj-ai/khoj #1459 · feat(email): support SMTP for self-hosted installs Open
khoj-ai/khoj #1458 · fix(emacs): render Org file titles as search headings Open
khoj-ai/khoj #1457 · fix(emacs): show PDF filenames and page numbers in search Open
khoj-ai/khoj #1456 · Keep web search connectivity checks off the event loop Open
khoj-ai/khoj #1455 · Fix public agent discovery on self-hosted installs Open
KLayout/klayout #2516 · Use explicit LEF files without directory scanning Closed
langchain-ai/langchainjs #11975 · feat(mcp-adapters): support progress timeout resets Open
langchain-ai/langchainjs #11974 · fix(google-common): preserve anyOf tool schemas Open
langchain-ai/langchainjs #11973 · fix(core): preserve routes and per-input errors in router batches Open
langchain-ai/langchainjs #11972 · fix(openai): preserve request options when streaming Open
langgenius/dify #44372 · refactor(web): share workflow comment queries and mutations Open
langgenius/dify #44360 · refactor(web): use Console Query in the install form Open
langgenius/dify #44359 · fix(web): avoid redundant indexing notifications Open
lfnovo/open-notebook #1525 · fix(search): require an embedding model for the Ask shortcut Open
lfnovo/open-notebook #1524 · fix(i18n): pluralize search result counts Merged
librelane/librelane #1053 · KLayout: make DEF layer map optional Open
ollama/ollama #19097 · Avoid reusing runners after cancelled startup Open
ollama/ollama #19096 · Handle servers that ignore download ranges Open
openhwfoundation/cv32e40p #1087 · Fix APU tracer clock and reset connections Merged
openhwfoundation/cv32e40p #1086 · Use register fields in the cv.insertr range constraint Merged
openhwfoundation/cv32e40p #1085 · Backport FPU parameter compatibility fix Open
openhwfoundation/cv32e40p #1084 · Clarify FPU instruction issue limits Open
openhwfoundation/cv32e40p #1083 · Fix Bender source list for the current core Open
openhwfoundation/cv32e40p #1082 · Document misaligned access atomicity Open
openhwfoundation/cv32e40p #1081 · Fix nested port lists in example constraints Open
pandas-dev/pandas #71269 · BUG preserve error bars when plot labels are changed Open
piyush588/vibeCI #22 · Add Netlify configuration preflight checks Open
piyush588/vibeCI #14 · Add Bun test runner detection Merged
prettier/prettier #20312 · Keep method chains stable when the last argument expands Closed
pyrite-wiki/pyrite #1347 · fix: report inbound links when deleting an entry Merged
pyrite-wiki/pyrite #1346 · fix: validate entry models when updating entries Merged
pyrite-wiki/pyrite #1345 · fix: explain when an MCP tool requires a higher tier Merged
pyrite-wiki/pyrite #1344 · fix: persist work logs and MCP ADRs before reporting success Merged
pyrite-wiki/pyrite #1343 · fix: derive KB counts and health from current entries Merged
pyrite-wiki/pyrite #1339 · fix: report malformed files during validation Merged
pyrite-wiki/pyrite #1338 · fix: resolve the KB for QA entry filters Merged
pyrite-wiki/pyrite #1337 · fix: resolve the KB for optional epic filters Merged
pyrite-wiki/pyrite #1336 · fix: find Python for standard-library hooks Merged
pyrite-wiki/pyrite #1335 · fix: preserve recovery advice for disk errors Merged
pyrite-wiki/pyrite #1333 · fix: reject blank and non-string MCP list IDs Merged
pyrite-wiki/pyrite #1007 · fix: use the package version in OpenAPI Merged
pytest-dev/pytest #15197 · Escape unencodable names in PYTEST_CURRENT_TEST Open
root-project/root #23747 · [core] Fix shell detection with multiline commands Closed
snakemake/snakemake #4346 · docs: document the minimum Pixi version for contributors Merged
The-OpenROAD-Project/OpenROAD #11856 · dpl: respect oriented fixed macro footprints Merged
The-OpenROAD-Project/OpenROAD #11815 · odb: avoid moved port names on buffered driver nets Merged
The-OpenROAD-Project/OpenROAD #11814 · odb: require matching layers for pin abutment Merged
The-OpenROAD-Project/OpenROAD-flow-scripts #4696 · fix(drc): preserve violations in nested report categories Open
The-OpenROAD-Project/OpenROAD-flow-scripts #4695 · fix(report): classify metric generation errors as failures Open
VLSIDA/OpenRAM #332 · docs: clarify setup and macro compiler options Merged
VLSIDA/OpenRAM #331 · Report configuration syntax errors through the normal diagnostic Merged
VLSIDA/OpenRAM #329 · Load configuration files by path Merged

Public upstream PRs · Updated 2026-11-12 · Auto-refresh ~6h

Featured in

An original illustration of sunshine, a solar panel and a home. Hybrid Solar Lighting System
Modular lighting powered by solar energy.

Springwise ↗ · Innovation feature
SDG7 Youth ↗ · Project spotlight

Toolkit

Focus Tools & interests
Chip design Physical design · STA · Power integrity · Innovus · Voltus
Software Python · Tcl · C/C++ · TypeScript
Research & hardware Time-series forecasting · Conformal prediction · ESP32

Beyond code: Monash industry advisory panel · Agora ambassador · Oracle ACE Associate.

@jinchuntan's activity is private

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