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 ...
The Pen Display 16 comes in two versions ... It's not exceptionally light, weighing 2.7 pounds (1.2 kilograms), as much as a light business laptop; for reference, that's about the same as a ...