In this video, learn how to make a game projector for smartphones using light bulbs. Follow our step-by-step guide to ...

Many projectors can project images and images on large screens, walls and the like from tens of thousands of yen to hundreds of thousands of yen, which are difficult to take out easily. Meanwhile, in ...

Even if you do not bother to buy a microscope or a camera for exclusive microscopy, how to make a "smartphone microscope stand" is made public so that you can shoot a microscopic world using your ...