IdeaWell

Project ideas from Hacker News discussions.

Turning a MacBook into a touchscreen with $1 of hardware (2018)

Original Article

Hacker News Discussion

📝 Discussion Summary (Click to expand)

3 Main Themesfrom the Discussion

Theme Summary Representative Quote
Touchscreens are unnecessary and ill‑suited for laptops Many users feel a touchscreen adds ergonomic problems, fingerprints, and a “gorilla‑arm” experience that doesn’t belong on a traditional notebook. “Never!!! please let macbooks be as they are … why would I ever choose to put fingers on that beautiful screen … I don’t get it!” — rox_kd
Keyboard‑first workflow is preferred; change feels unwanted Long‑time Mac users value the seamless keyboard and trackpad workflow and see no benefit in adding a touch layer, often citing the risk of accidental touches. “I wouldn't want a touchscreen MBP even if it was free, anyone else feel similar?” — dotBen
Clever low‑cost hacks using existing hardware are intriguing Some commenters appreciate the ingenuity of repurposing the built‑in camera and software to simulate touch, seeing it as a proof‑of‑concept worth exploring. “Love it! I appreciate the ethos of doing more with existing hardware. Adding an actual touchscreen would add real COGs to a macbook…” — solfox

All quotations are reproduced verbatim with the authors’ usernames as cited in the thread.

🚀 Project Ideas

Generating project ideas…

Oleophobic Screen Coating Kitfor MacBooks

Summary

  • A ready‑to‑use DIY kit that applies a durable oleophobic coating to laptop screens, reducing fingerprints and smudges.
  • Solves the frustration of constantly cleaning MacBook displays and the desire for a “phone‑like” fingerprint‑resistant surface.

Details

Key Value
Target Audience MacBook owners (especially designers, developers, and frequent travelers) who hate smudged screens
Core Feature Pre‑measured coating solution, microfiber applicator, step‑by‑step video guide for a flawless finish
Tech Stack E‑commerce site (Shopify), PDF instructions, optional mobile app for guided application
Difficulty Medium
Monetization Revenue-ready: One‑time purchase $19.99 kit + $9.99 refill packs

Notes

  • Directly addresses comments about oleophobic coatings being “standard on phones but not on laptops” and the desire for a cheap DIY solution.
  • Users can apply the coating at home, avoiding the need for third‑party services.
  • Potential for community tutorials and a small but loyal niche market.

Touch‑Mode UI Toggle for macOS

Summary

  • A lightweight menu‑bar utility that instantly switches macOS between “desktop mode” and a touch‑optimized UI with larger hit targets and thumb‑friendly gestures.
  • Enables casual touch experiments on existing MacBooks without needing hardware changes.

Details| Key | Value |

|-----|-------| | Target Audience | Mac users curious about Apple’s upcoming touch MacBook, power users with external touch overlays, or those who occasionally tap the screen | | Core Feature | One‑click toggle that enlarges UI elements, changes cursor feedback, and optionally enables swipe‑to‑scroll gestures | | Tech Stack | Swift + SwiftUI, distributed via the Mac App Store | | Difficulty | Medium | | Monetization | Revenue-ready: Subscription $4.99 / month or $39 / year |

Notes

  • Mirrors the “tablet mode” concept discussed in the thread, but packaged as a user‑friendly toggle rather than a hidden system setting.
  • Appeals to the community’s fascination with “simulating a touchscreen” while keeping the current hardware.
  • Can be marketed as a productivity enhancer for hybrid usage scenarios.

MacWindowFlow – Advanced Multi‑Monitor Window Navigation

Summary

  • A macOS extension that adds intuitive, keyboard‑driven window switching across multiple monitors, including visual previews and quick‑move shortcuts.
  • Tackles the pain point of clunky window navigation on macOS when using external displays.

Details

Key Value
Target Audience Developers, designers, and power users who rely on multi‑monitor setups and need faster window movement
Core Feature Super‑Arrow shortcuts to shift focus between monitors, thumbnail preview overlay, and one‑click “move to next monitor” action
Tech Stack Cocoa, Swift, uses Accessibility APIs for window manipulation
Difficulty Medium
Monetization Revenue-ready: One‑time license $14.99

Notes

  • Addresses the specific complaints about “Window navigation within open programs” and “Window positioning” from the discussion.
  • Offers a superior alternative to built‑in macOS shortcuts and third‑party tools like Rectangle.
  • Likely to generate enthusiastic early‑ adopter feedback from the HN community.

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