- A single module can drive a 8×8 dot matrix common cathode
- Working voltage: 5V
- Module size: 12.8 x 3.2 x 1.3 cm (L*W*H)
- Module with input and output interfaces, support for cascading multiple modules
When you need some help driving a lot of LEDs, the MAX7219 is the best friend. The annoying thing about multiplexing is that you need to constantly refresh the display to keep the image stable. The Max7219 does all of this for you. This nice breakout use four 8×8 Dot Matrix displays whicg gives you 32 x 8 Dot matrix display.