Last week, I helped Alex at Gizmodo test out the SmartDigital Handitheatre, an inflatable screen and projector for outdoor movie fun. Regardless of whether you want to $3500+ spend on the gear, there’s one clear lesson for anyone aiming to set up an impromptu outdoor cinema: use a groundsheet.
Projectors can be expensive, but if you’re looking to build one for your smartphone without spending a lot of cash, Instructables user iamaledgend put one together for about a dollar.
