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Project Sistine adds touchscreen to MacBook for $1
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HN · HACKER_NEWS// 12d agoTUTORIAL

Project Sistine adds touchscreen to MacBook for $1

Project Sistine retrofits standard MacBooks with about $1 of hardware and computer vision to turn them into touchscreen-like devices. A mirror setup and calibration translate finger movements into mouse events.

// ANALYSIS

This project is a masterclass in using software to overcome hardware constraints through "optical hacking" and basic physics.

  • Relies on the "ShinyTouch" principle, identifying contact by detecting the intersection of a finger with its own reflection on the glossy screen.
  • Utilizes a robust computer vision pipeline including skin detection, contour analysis, and RANSAC for precise coordinate mapping.
  • Proves that high-level algorithmic compensation can turn low-fidelity sensors, like a 480p webcam, into functional input devices.
  • Highlights the intersection of simple DIY hardware and sophisticated mathematical transformations like homography matrices.
// TAGS
project-sistinecomputer-useroboticsopen-source

DISCOVERED

12d ago

2026-03-30

PUBLISHED

12d ago

2026-03-30

RELEVANCE

5/ 10

AUTHOR

HughParry