# Open Arcade Coder: reconstructing LED and button control

> Open Arcade Coder reconstructs control of the Tech Will Save Us Arcade Coder's 12×12 RGB matrix and buttons with an ESP32 library. The author traced board connections, identified HC595 and ICN2012 control pins, and supplies display and button examples.

- Type: Case study
- Targets: Firmware
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/padraigfl/twsu-arcade-coder-esp32>
- Primary source: <https://github.com/padraigfl/twsu-arcade-coder-esp32/blob/b6ddfab2727a91a45861a822edd8a8f07b6a2504/README.md>
- Catalog page: <https://awesomerea.org/resources/open-arcade-coder-case/>
- Record JSON: <https://awesomerea.org/resources/open-arcade-coder-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/open-arcade-coder-case/index.md)

## Requirements & limits

- **Prerequisites:** Tech Will Save Us Arcade Coder with its onboard ESP32.
- **Limits:** LED rendering is glitchy; individual button detection becomes less reliable with multiple presses, and accelerometer support is unfinished.
- **License:** MIT License.

## Primary sources

1. <https://github.com/padraigfl/twsu-arcade-coder-esp32/blob/b6ddfab2727a91a45861a822edd8a8f07b6a2504/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.