They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this ...

The Canal Toys Photo Creator Video Projector Camera is better at casting than capturing, but ideal for children's parties and ...

The Klever Kits Drawing Projector has more than 70 pieces with each box including colored pencils, crayons, watercolor ...

Upgrade your home with top tech gadgets in 2025. From smart security to AI vacuums, these devices enhance convenience, comfort, and modern living.