The 2-in-1 Ultimate 1080p HD Gaming Projector is a gateway to in-home entertainment. For just $99.99 (reg. $149), you can transform any space into a theater and arcade. Equipped with Android 11 OS ...

The digitizizer is based on a Kodak carousel slide projector. It’s fitted with LED strips instead of the original light source, which are used to illuminate the slides themselves. An Arduino ...