Smartphone projector cardboard

Smartphone projector cardboard DEFAULT

Brand new and high quality Item type:DIY mini projector carboard Predatory technology: magnifying glass principle Screen ratio: adjustable Size:17.5 x 16.5 x 10.5cm Color:Coffee SmartPhone Projector is a homemade mobile phone mini Projector. The video/movie you play on your phone can be projected onto the wall, providing 8 times the image magnification, making it a small home theater. SmartPhone Projector 2.0 products include no-install projection box, magnifying lens and some other accessories, easy to assemble. Note: 1) this product is first positioned as an entertainment device. It is just a simple projection device toy, and it is certainly not as effective as the thousands of projectors. Do not compare, very mind the quality of the picture carefully; 2) the effect of projection on white walls is better, and the darker the indoor environment is, the better. At the beginning, the picture will be dark, so we need to have a time to adapt to it. 3) video with subtitles, the subtitles cannot be displayed in a forward direction, and the display is inverted. When you use it, put your iPhone or android smartphone in it, put it in it, and push it in and watch it. According to the magnifying glass principle, the image is inverted, not a quality problem, but it can be adjusted according to the situation: 2) if the graphics are reversed left and right :(a) android phones can go to "Google play" to download "ultimate rotaion contro" software to control image flipping. (b) the iPhone can be adjusted by "setting "--" general "--"assistive Touch"-- the device -- rotating -- left, horizontal, or right. (instructions in the box) Package include:1 Pcs #projector #smartphone #cardboard #projectorcardboard #projectorhome #diysmartphoneprojector #miniprojectorforphone #cardboarddiy #mobileprojector

Sours: https://shopee.com.my/DIY-Mini-Projector-Cardboard-Mobile-Phone-Projector-for-Smartphone-Home-Cinema-i.47374595.1210491839

Prettyia Novelty Cardboard Mini Smartphone Projector Mobile Phon

Description:

- ​Material: Made from cardboard, with glass lens and some other accessory assemblies that can be installed easily
- You can project videos/movies played on your phone to the wall, this projector provids 8x image magnification.
- Fits phones up to a maximum size of 8x14.5cm /3.2 x 5.7 inches
- Phone brightness must be turned up to 100%, for maximum effectiveness use in a dark room and project onto a smooth white surface.
- Easy to operate, intended as a fun gift and is not suitable for commercial or professional projections.



Specification:

- Type: mini Smartphone Projector
- Model: TYY-002
- Material: ​cardboard glass lens
- Standard Resolution:640 x 480dpi
- Built-in Software:NO
- Application Scenarios:home, office teaching, early childhood education
- Projection Distance: 1 - 2M
- Projection Technology: Magnifier Principle
- Zoom Factor: 8X
- Color: Brown
- Size: Approx. 12 x 18 x19CM/4.7 x 7.1 x 7.5 inch



Package Includes:

1x Smartphone Projector



Note:

This product is an entertainment device, a simple projection device toy. It must not be as effective as a projector worth thousands
Projection on a white wall is better, and the darker the indoor environment, the better.
For videos with subtitles, the subtitles cannot be displayed in the forward direction, and the display is in the reverse direction.




We greatly appreciate you for choosing our shop. Please check the details of our products in the description carefully before your purchase. Thanks!

Sours: https://escuela-emprendedores.alegra.com/equatorward130326.html
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How to Make a DIY Projector

Did you know that you can build a smartphone projector out of everyday objects? Well, you can, and it’s actually really simple.

With this DIY project you can learn about light and optics, plus, you can get your creativity going by using this projector in your next artistic creation.

Overall, this is a fun and educational photography hack that you can do by yourself or with friends or family. And if that wasn’t enough, you’ll also be repurposing home objects contributing to a zero-waste culture.

So, without any more introductions, here’s a step by step guide to a DIY smartphone projector.

What You Will Need

How to make a projector DIY projector using a box and phone.

What you’re going to do is build a box that will direct the light from the screen of your phone towards a magnifying glass, which will then project a blown-up version of the image onto a wall on the other side.

To make this you just need a few simple objects. Some of them are optional, but having them will make the process easier and will get you better results.

  • Rectangular cardboard box
  • Magnifying glass
  • Thick black matte paper (alternatively, brush and paint)
  • Tape, normal or double-sided (can be substituted with glue)
  • Exacto knife or precision cutter (or scissors)
  • Mirror
  • Protractor (optional but helpful)
  • Ruler
  • Pencil
  • Smartphone

Note on the box: If you have a shoe box, this is the ideal size. If not, just make sure it’s a rectangular box. It should be wide enough to hold your phone, but not much wider than that because you want the light to go forward and not spill out to the sides.

Step 1: Cut the Box

DIY smartphone projector tutorial: Start by cutting up your cardboard box.

The first thing you’re going to do is to separate the part that will hold the lens. This is because you can adjust the focus by moving the lens closer or further away from the image.

To do this, cut out one of the short sides of the box.

Step 2: Cover the Inside of the Box

DIY smartphone projector step by step: Cover your box with black paper using basic office supplies.

Now, you need to darken the inside of the projector. This stops the light from dispersing and reflecting back into the image, thus ensuring better quality.

Ideally, you should do this with thick paper – I used Fabriano. This will also help with the overall stability of your projector, as having one side cut out can make it a little wobbly.

If you prefer, you can also use black paint. Just make sure it’s dry before continuing to avoid getting paint all over you and the other parts of the projector.

Step 3: Place the Lens

Insert your magnifying lens. This will enlarge the image beyond what the human eye normally sees when looking at your phone.

On the piece of cardboard that you cut during the first step, draw the contour of the magnifying glass. Then, using the precision knife carefully cut it out.

It’s best to cut a little bit to the inside of the circle you traced so that the magnifying glass will fit tightly and not fall out.

You can unscrew or cut the handle of the magnifying glass if it’s too long to fit. Keep in mind that the size and quality of the glass will impact the sharpness of the projected image.

Step 4: Build a Support for the Lens

Materials and tools needed to create your projection are all cheap and accessible other than your smart phone.

To keep the lens standing, it needs to have some support. To create this, cut a strip of the black paper that’s long enough to go around the edges of the rectangle your lens sits inside.

Then fold it around and tape it to the cardboard so it’s no longer a flat surface but a rectangular box of its own.

This will give it stability, especially because you might be moving it back and forward to find the right focus.

How to build a smart phone projector: easy science projects you can do with everyday products.

Step 5: Place the Mirror

How to build a smart phone projector: insert your mirror.

Now that you have the lens ready, let’s work on the other side of the projector.

If you put your phone directly towards the lens, the image will be projected upside down and flipped left to right.

This is because the beams of light travel from the screen to the lens forming a cone. They converge in the magnifying glass and are refracted towards the wall in an inverted cone. In this process, the image gets turned around.

It’s similar to what happens in a photographic camera, which is why DSLRs have mirrors in them to make you see the image in the viewfinder.

So, to correct the image from left to right, all you have to do is place a mirror in between the smartphone and the lens. Place it on the back of the box (opposite to the lens) at a 45-degree angle.

You can use a protractor to know the right angle. If not, then you can get approximate by looking down at the mirror and making sure that you can see the lens.

This is how your projector should be looking at this point with the mirror on one side and the lens in the other:

Building a phone projector using a shoebox can be a fun activity for kids.

If you don’t have a mirror, you can skip this step. Just keep in mind that the image will be reversed, so try to avoid images that have any writing in them.

Step 6: Cut Out the Lid

Phone projector instructions: Add tip of phone screen facing through hole.

Before you put on the lid, you need to make a hole for your smartphone screen. Place it on the backside so that the phone is above the mirror.

Make sure you measure the size of the screen and not the size of the phone, or it will fall in. If your phone has a full-size screen then make the hole a few millimetres smaller – just enough to hold the phone on top.

Step 7: Finishing Touches

Your phone image will be projected through the lens.

Your homemade projector is nearly done!

Put on the lid on the box and make sure everything is fine. It’s normal that you might have to do some finishing touches because this is crafty work.

Check for any excess paper you need to cut, some spaces or holes you should cover to avoid leaks of light, etc.

Also, depending on the side of the magnifying glass you may have to cut a semicircle in the lid if it covers the lens.

Step 8: Start the Show

Creating projectors from a phone is easy.

That’s it – your homemade projector is ready!

This is how your DIY projector should look when it’s fully assembled. Notice how the front is detached from the rest of the box; that’s for adjusting the focus.

Make sure you disable the sleep mode on your smartphone so that the screen won’t shut off. Then, point the smartphone projector at an empty white wall.

If the image is not very sharp, adjust the focus by moving your DIY lens back and forward. You can also get closer or further away from the wall to find the right spot.

So now, close the curtains and give it a go.

DIY Projector FAQs

Can you make your own projector?

Absolutely. With a cardboard box, a smartphone, and a few basic household tools (like tape, a magnifying glass, and some others) you can create a working DIY projector.

Do DIY phone projectors actually work?

Yes – though of course, the quality will not be as good as a proper store-bought projector.

Why is my homemade projector blurry?

As you’re using a magnifying glass and not a well-constructed lens, it’s likely that the glass has some curvature and/or yields some chromatic aberration. Unfortunately, there’s no cheap solution for those issues.

How can I make my projector clearer?

To get the clearest possible picture, do make sure you have your phone brightness to the maximum, minimize any light leakage from the box, and don’t have your projector positioned too far from the wall.

Conclusion

Creative art project using light projections onto human subject.

Isn’t it amazing? With just a magnifying glass and a cardboard box, you made your very own smartphone projector.

The theories behind this project go back to the 16th century. Back then, artists used this ‘camera obscura’ as a tool to paint.

You can do this too, just aim your homemade projector onto a piece of paper and start tracing. Another creative idea is to project images onto your subjects on your next photoshoot creating unique light effects.

You can also use it to show photos to your friends or as a movie projector to watch films. The only limit is your imagination.

If you enjoyed this DIY project, you might want to try doing a pinhole camera, or a DIY light-box too. Remember, the idea is to stay crafty and stay creative!

Sours: https://shotkit.com/diy-projector/
Build A Smartphone Projector! (Using Shoebox)

DIY Smart Phone Projector

Wondering what to do with your overflowing recycling bin? This oh-so-cool DIY smart phone projector will inspire little engineers to turn recyclables into inventions. There’s no stopping the possibilities in a simple cardboard box!

Check out the simple step-by-step below and then hop over to our shop to snag our 30 Science Experiments kids will love!

How to make a DIY smart phone projector!

Getting Ready

To make our DIY smartphone projector, we grabbed:

  • a small cardboard box (ours was 8 inches wide x 6 inches high x 12 inches long)
  • a magnify glass or camera lens
  • scissors, exacto knife, or small serrated knife
  • tape
  • a smart phone

Making the Projector

First, I had my 5 year old place the magnifying glass on the front of the box and trace it.

DIY smartphone projector!

Then I used the scissors and a serrated paring knife to cut a hole in the box that was slightly smaller than the traced circle.

My 5 year old then used a spare piece of cardboard and folded it to make a stand for the phone. She secured it with a piece of tape.

Homemade smartphone projector

She slid the phone stand into the box, under the a cardboard flap in the bottom of the box.

How to Make a DIY smartphone projector!

Next we taped the magnifying glass inside the box so that the lens aligned with the hole in the box.

Finally we added the smart phone on the stand.

Smartphone Projectors. Awesome kids science!

My daughter immediately noticed that the movie was upside down. We fixed the problem by locking my phone onto landscape orientation. Then I placed the phone back in the projector, upside down this time.

I pointed the projector at a white wall and focused the picture by moving the phone away from or toward the lens until the picture looked clear.

When the picture was focused. I taped up the box, turned down the lights, and let the show begin.

DIY Smartphone Projector for Kids

The Science Behind It

How did the magnifying glass make the picture bigger? The answer is in the shape of the lens.

The lens is convex, meaning its sides bend outwards. This allows it to catch, bend, and focus all the light from inside the box and project it onto the wall.

But why is the image upside down?

The human eye has a lens similar to the magnifying glass attached to the projector. What the eye sees comes through the eye’s lens upside down but the brain learns to flip the image right side up. The magnifying lens flips the image through refracting the light from the phone’s screen just like your eye flips the light from the world.

Without a brain to flip the image for us, we have to set our phone in the box upside-down.

More Fun for Little Scientists

Want more science?  Try our 30 Science Experiments that are kid-approved and tons of fun!

Sours: https://thestemlaboratory.com/smart-phone-projector/

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