This 8x8 serial dot matrix LED module (HCOPTO0014) allows you to experiment with dot matrix LED's without all the complicated wiring. The module makes use of the MAX7219 serial matrix LED driver which handles all the complicated stuff such as multiplexing the LEDs and driving them at the correct currents. What's more, the modules can be daisy-chained to make larger LED displays whilst still only requiring 3 digital control pins. The PCB has no overhang on the sides of the matrix module so modules can be positioned side by side with no gaps to make one continuous display.

To make controlling this display from an Arduino as simple as possible we have also created an exclusive library which will allow you to display text and numbers and even create a scrolling message display.

Item includes:

Pre-soldered serial dot matrix module with an 8x8 red led module.

5 way female to female Dupont cable for interconnecting multiple displays.

Working voltage: 5V

Dimensions: 5 cm x 3.2 cm wide x 1.5 cm high

4 fixing screw holes measuring 3 mm

Input and output interface, support for multiple module cascade

Example sketch, datasheet and exclusive library available from our support forum here.
Also, check out our blog post "Library for MX7219 LED Driver".