![]() ![]() Spread the glue around the box’s interior so the walls can hold the black paper firmly. Cut the paper perfectly according to the box size to eliminate such reflection. Light reflection from the box can disturb the image quality, so use black matte paper. Use the X-acto knife and cut the circle in a perfect shape. Then place the glass on the box and draw the lines around it so you can cut it perfectly. You must cut the magnifying glass stick with the hand hacksaw in the first step. Before we start, gather the following items needed in the preparation.Īfter collecting all the basic stuff, perform the following steps: Step No. Someone with a creative mind finds it fun and can add other things too. Instead of buying expensive projectors, you can make your own with readily available materials at your home. It doesn’t require an app or device for connection. It requires a box, magnifying glass, and a few other items to make a complete projector for your smartphone. Making a DIY projector could be fun, but it is not much reliable as the other two methods. If you have a creative mind and want to try something different, then make your own projector at home through which you can project the mobile screen on the wall. You can use a Chromecast to connect your smartphone or laptop with your TV to view the content on a wider screen.Įven Chromecast allows you to access the screen through the remote, so you don’t have to make changes through the smartphone making it more reliable. 2: Using ChromecastĬhromecasts are used regularly and are preferred by most people as they are compatible with many other devices. These apps allow you to connect your smartphone with a TV or other bigger displays to project an image of your choice. One of the best and basic methods to project a mobile screen is by using some apps like screen Mirroring or AirPlay Mirroring. These methods don’t involve using a projector or projector screen for a wider display. There you will see if the projected image is enlarged, reduced, or the same size as your smartphone.Here are a few methods to project the mobile screen on wall without a projector. By calculating the average of these focal length values, we can get a more precise value of the lens's focal length.Īt the bottom part of our smartphone projector calculator, you will also see some information about the magnification details of the projected image for your current viewing setup. Use the values of u and v to calculate the focal length several times. However, it would be best to take multiple data points by changing u and finding the new v that would result in another focused image on the wall. ![]() What is the focal length of the lens I'm using?įrom the earlier section, after focusing the image and measuring u and v, you can simply input their values in our smartphone projector calculator to instantly find your lens' focal length. ![]() ![]() To lock this variable, tap or click on the area at the right side of the focal length's unit and select the padlock icon. To do this, you first have to lock the Focal length of lens variable in our calculator so that it will not be recalculated when you input values for either u or v. Once you know the focal length of your lens, you can use our smartphone projector calculator to easily determine where to place your smartphone in your projector and how far to place the projector from the wall to get a sharp image. How far should I put my smartphone projector from the wall? ![]()
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