Build a projector for presentations that doesn't require you to plug in a computer. Instead, you just plug in a USB disk or SD card, and it will give you a lis

Build a projector for presentations that doesn't require you to plug in a computer. Instead, you just plug in a USB disk or SD card, and it will give you a list of PDF files and let you show one as a presentation. (No more fiddling with laptop video dongles, mirroring modes, resolutions. etc.)