3pcs  LED Dot Matrix Screen Module
3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module 3pcs  LED Dot Matrix Screen Module

3pcs LED Dot Matrix Screen Module

$19.77

Features:
 
Using the LED dedicated constant current control chip, basically only occupy the Raspberry Pi SPI interface (3 IO + 2 enable) to control 64 LED lights
 
- Support SPI interface B/B+ involved in Raspberry Pi
- Driver chip: MAX 7219
- Dot matrix type: 8x8 common negative red dot matrix
- Size: 64.3x35x26.5mm
 
Package Included:
 
3 x MAX7219 LED Dot Matrix

Pin number Identification Description
1  17 3.3V Input
2  4 5V Input
3   5  7  8   10  11 12  13  15 16  18  21  22 26 NC NC
6   9  14   20   25 GND Power
19 MOSI data input
23 SCK Clock signal
24 CE0 Chip select signal

Reviews

  • 8***6:

    Very good, good quality, very cheap

  • 7***0:

    So - so,

  • 4***9:

    Very good

  • 2***6:

    It's a great deal for shopping, the customer service is good, and we'll do it again next time

  • 3***8:

    Praise, friends say very much, you can

  • 5***1:

    Good light, good to love, the seller answer also very patient

  • 1***3:

    Very satisfied, as before

  • 1***5:

    Customers like it, and we are more satisfied!

  • 5***6:

    The packing is very careful. It's of good quality,

  • 6***4:

    Recently too busy, confirm late, the thing is very good, hehe, thanks. Logistics companies have a poor attitude

  • 7***4:

    Good quality is good, too good

  • 6***4:

    Customers like it, and we are more satisfied!