New 8x8 LED Matrix HT16K33 for Arduino/Raspberry Pi View larger

8x8 LED Matrix HT16K33 for Arduino/Raspberry Pi

DIS-00066

Small display is to use an 8x8 matrix or a 4-digit 7-segment display

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R249.95 tax incl.

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I2C 8x8 LED Matrix HT16K33 module for Arduino UNO&MEGA/raspberry pi/AVR/STM32

What's better than a single LED? Lots of LEDs! A fun way to make a small display is to use an 8x8 matrix or a 4-digit 7-segment display. Matrices like these are 'multiplexed' - so to control 64 LEDs you need 16 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can control a matrix for you but there's a lot of wiring to set up and they take up a ton of space. Here we feel your pain! After all, wouldn't it be awesome if you could control a matrix without tons of wiring? That's where these lovely LED matrix backpacks come in.
The matrices use a driver chip that does all the heavy lifting for you: They have a built in clock so they multiplex the display. They use constant-current drivers for ultra-bright, consistent color, 1/16 step display dimming, all via a simple I2C interface. These 1.2" matrix backpacks come with three address-selection jumpers so you can connect up to eight 1.2" 8x8's together (or a combination, such as four 1.2" 8x8's and four 7-segments, etc) on a single I2C bus. 
 

  • A fun way to make a small display is to use an 8x8 matrix or a 4-digit 7-segment display
  • Matrices like these are 'multiplexed' - so to control 64 LEDs you need 16 pins.
  • The matrices use a driver chip that does all the heavy lifting for you
  • They have a built in clock so they multiplex the display

 

Specification

Input volt: 5V    
Rated input frequency: 400KHZ 
input power: 2.5W  
Input curr: 500mA 

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