This should give you enough information to judge the size of boxes you will need. Place it on a table, around six inches behind your lens, pointing at a blank wall or pinned-up sheet of paper. Find a darkened room and switch your phone's display to the maximum brightness. This is essentially the distance from the phone's display to the lens. Step 1 Get an Idea of the Focal Length of Your Shoebox Projector To project your smartphone display through the hole in your box, you need to consider the focal length. They're often bought as toy magnifying glasses. These can be purchased from photography shops or online from specialist retailers, or even Amazon. The sort of lens you will need for this project is a. They should be similarly sized, with one small enough so that it can fit inside. Your boxes might be shoeboxes or perhaps tissue boxes. Black (or dark) duct tape or matte black paint and brush Pencil. A method of positioning and securing your phone. This might be a magnifying glass or other biconvex lens-perhaps from another projector. Step 0 Things You Will Need for Your Phone Projector To make an iPhone (or any smartphone) projector you will need: Two boxes, one slightly smaller than the other. Let's find out how to build a shoebox projector to use with an iPhone or Android smartphone. But as these devices are basically a box with a lens, they're easy enough to build at home. The same is true for a cinematic projector, a home theater LCD projector, and any smartphone projector that you buy. Projectors use this principle, using a lens to rotate the image, hence righting the image so it can be viewed. An image can be projected through a small hole in a box or even room, and displayed on the opposite side, rotated 180 degrees. Without the discovery of this optical phenomenon, it is unlikely that photography and the photographic camera would have been developed. The camera obscura is one of the keystones of photography. Essentially, the device is a camera obscura-a black box with a hole in it and illuminated image within. , a cardboard flatpack system that you can build yourself, has been around a few years. Intrigued? Let's begin! How a Projector Works Building a DIY smartphone projector is not an original idea. For less than $10 you can make a smartphone projector using items you might already have around the house. And all you'll need is a lens and an old shoebox. Wireless HDMI and mirroring are good options, but what if there is no TV screen to receive the signal? Well, you could turn your phone into a projector. Sharing the display of your smartphone can be tricky. How to Make a DIY Shoebox Projector for Your Phone MUO How to Make a DIY Shoebox Projector for Your Phone Want to project your phone's display on a screen or wall? Here's how to build your own DIY smartphone projector with a shoebox.
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