The LED Writing Light by MyLight Brand Lighting is the platypus of pens. A pen and a flashlight merged together, it looks bizarre with a fat barrel and gigantic bulbous head. The weird design is ...

That’s the question [Kathy] asked when she built this LED matrix light pen project. It looks simple enough – a 64-LED matrix illuminates as the pen draws shapes.

It has four pens (three whitening wands and one extra-strength whitening wand) that you use with the LED light for nine minutes a day. Each kit gets 75 sessions, so you do get a good bang for your ...

The LED Moonlight pen works like a pen, but has a light on the tip so you can read what you write, even in movie theatres, back alleys, and inside a patient’s abdomen.

A new patent could hint at a future Surface Pen can harvest its power from the LEDs in your Surface's display. When you purchase through links on our site, we may earn an affiliate commission ...