This would be cool to set up a backyard movie theater. How-To: 5 buck Mobile Phone Projector. Neat low-tech tutorial on how to make a projector for your mobile phone using a shoebox, a paperclip, and a magnifying glass. MacGyver would be proud.
Make your own projector using a shoe box, duct tape, magnifying glass, and your smart phone! That's crazy! A projector would be nice.If I made this and used it during an observation either I could save us a lot of money or get my own projector.
Make your own DIY overhead projector for tracing wall murals. Make a makeshift projector using a box, a lamp and some tape. Project the transparency onto the wall. Use a light bulb without the "frosting" on the inside for a clearer picture.