Who needs a 1920×1080 OLED display when you can have an 8×8 matrix of LED goodness? That’s the question [Kathy] asked when she built this LED matrix light pen project. It looks simple enough – a ...

Physicians and repair engineers often use small light pens for visual examination Spurposes. Rugged and expensive as these pens may be, their weak point is the bulb, which is a ‘serviceable’ part. In ...

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. It’s perfect for creative types ...

You probably never thought that a simple pen could mean the difference between life and death. But if you ever get into a bad car accident and get trapped inside, the integrated glass breaker on the ...

The LighTalk pen is pretty great. You can use it like a regular pen to draw a doodle, then ‘scan’ the image to activate a series of LEDs, then flick it back and forth to achieve a ...

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 also ...

LED Pen Lights Streamlight’s FiberWrap fiberglass polymer pen lights come in four high-intensity LED colors. The red, green, white and blue PolyStylus pen lights feature a 5-mm LED designed for ...