The display uses four Max 7219 LED matrix displays, so the total resolution is 32 by 8. [Noapparentfunction] came up with an inspired idea: using a glasses case to hold the LED matrices and ...

Instructables has posted a step-by-step guide to creating your very own dot-matrix display out of not much more than a collection of LEDs, a few wires, some resistors, and a microcontroller. The ...

The company's line of dot matrix, 5 x 7 LED alphanumeric displays now include the first smart displays with blue characters in an 8-character, rectangular package. About the width of a AAA battery ...