[How-To] Create a Home Theater to Put Your Laptop or SmartPhone on a Big Screen

Do you feel that your laptop or smartphone display is too small to watch a movie or video clip, this DIY projector will throw it up on the wall for all to see.

Create a Home Theater to Put Your Laptop or SmartPhone on a Big Screen

YouTuber and Instructables user The King of Random put this tutorial together to build a projector screen from really affordable components. Aside from already owning a Laptop, Smartphone, or Tablet, you’re going to need 3 items to make this projector;

  1. Cardboard
  2. Duct-Tape ($1)
  3. Full-page Fresnel Lens (for about $4)

Since the projector only gets light from your device’s screen, it’ll be pretty dim. For the best possible image quality and sharpness, use a bright screen (a laptop would work better than a smartphone) and make sure to keep the lights off, curtains closed, and put the projector as close to the screen as possible.

Related: Turn Your iPhone or iPad into a Giant Touchscreen Display with Padzilla

Finally, the lens will flip the image horizontally and vertically, so after you mount your device, text will appear backwards. Not an issue for action movies, but news or subtitles could be a problem. If you can do this, it’s a fun and portable project. Plus, it’s only $5, so it’s pretty hard to go wrong

Source: Instructables via Lifehacker

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