DIY home cinema: create your own smartphone projector in 8 easy steps

All you need is any old shoe box along with some basic office supplies. It’s fun, simple and easy – you can even do it at home.

It’s time to get the big picture. Just follow our easy-to-use tutorial.

First, let’s see what we’ll need to make our DIY projector.

Materials:
- Magnifying lens
- Pencil
- Smartphone
- Scissors
- Duct tape
- Shoe box
​

Step 1: Preparing the lens

• Carefully use your saw to cut off the handle from the magnifying glass.

• Reinforce the box by gluing the flaps and corners of the box together (to add stability).

Step 2: Lens placement

• Position your box in an upright position.

• Place your magnifying lens on top then center it. Use a pencil to trace the cut line.

​​Step 3: Cut a perfect round hole

• Cut carefully to ensure that edge is as smooth as possible.

Step 4: Inserting the lens

• When you put the box lid back on, it may block a portion of your lens (depends on the size of your lens and box).

• Use your previous cut out as a stencil, then carefully remove any excess cardboard blocking your lens.

Step 5: Set your phone

• Set your phone to the highest brightness because more light results in a brighter projection - don't forget to lock the screen.

​• This is required as the lens inverts the light source (your phone's display) to the projected image.

• Position your phone's screen in a topsy-turvy position to prevent it auto rotating.

• Change your lockscreen setting and disable the phone’s auto rotate.

Step 6: Flip the image (optional)

• If required, download an app that flips the orientation of the image.

Step 7: Adjust your projector.

• Like all projectors, this DIY projector needs to be calibrated too.

• Position your phone at the very end of the box then slowly move it closer to the lens.

• You will notice that the image will turn sharper/softer.

• Move it back and forth until you get the sharpest projection.

Step 8: Turn off the lights and grab the popcorn!

•In order to get the best projection effect, you need to turn off the light

• Play your favorite multimedia on your new DIY projector and enjoy!

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