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 ...

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 ...

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 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 ...

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 ...

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 ...