Category:Dot Matrix

Matrix Driver | Datasheet

• MAX7219
• HT16K33 - File:Ht16K33v110.pdf

drive a multiplexed 16x8 matrix (that's 128 individual LEDs) - 16 anodes and 8 cathodes 
I2C interface
supports also reading a 3x13 keypad matrix

74HC138, 74HC595

• 74HC138
• 74HC595

Schematic, pin definition

Board schematic

• 

  Max7219 single 8x8

• 

  HT16K33 breakout board schematic

• 

  2x2x8 matrix - 16 x16 matrix display schematic, use 74HC138 and 74HC595

• 

  chained matrix display parola - schematic

• 

  chained matrix display parola - Pin deifinition

Dot matrix Pin definition

• 

  Bicolor 8x8 common-cathod

Demo code

• Demo Code for arduino for 2x2x8 16x16 Matrix - File:Arduino Demo for 16x 16 LED.zip
• HT16K33 Arduino library - File:HT16K33 LED Drive library.zip