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Turning Smashed TVs into Realistic Artificial Daylight

DIY Perks · tutorial · Watch on YouTube

3D printing, CNC & maker projectsHome, DIY & practical skills

What it is

DIY Perks shows how to turn old or smashed TVs and monitors into realistic artificial window lights, using the backlight and Fresnel lens to simulate distant daylight.

Why Hacker News recommends it

HN points to it in threads on artificial sunlight, as a buildable and surprisingly convincing artificial window.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2019, last 2025

What HN commenters said

  1. “you can build one following the video above. The result is quite stunning.”

    Build guide for a stunning artificial window

    deltasevennine, 2022-07 · Strong recommendation · in “Ask HN: Why are there so few artificial sunlight or artificial window products?”

  2. “DIY directions on YT”

    DIY directions for recycling LCD monitors into artificial windows

    jsilence, 2019-11 · Recommendation · in “Rooms can be as bright as the outdoors”

  3. “I got a great explanation of why this works well (fresnel lens)”

    Explains why the Fresnel lens daylight panel works well

    reeddavid, 2020-01 · Recommendation · in “Ask HN: What are some interesting projects to reuse your old devices?”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: diy, fresnel lens, led backlight, lighting, upcycling

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