OPEN_SOURCE ↗
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