This backpack solves the annoyance of using 18 pins or a bunch of chips by having an I2C constant-current matrix controller sit neatly on the back of the PCB.
0.54" 4 bit digital LED display module I2C control For
This version of the LED backpack is designed for two dual 14-segment "Alphanumeric" displays.
These 14-segment displays normally require 18 pins (4 characters and 14 total segments each)
The controller chip takes care of everything, drawing all the LEDs in the background.
Description:
- 0.54" 4 bit digital LED display module I2C control For
- This version of the LED backpack is designed for two dual 14-segment "Alphanumeric" displays.
- These 14-segment displays normally require 18 pins (4 characters and 14 total segments each)
- This backpack solves the annoyance of using 18 pins or a bunch of chips by having an I2C constant-current matrix controller sit neatly on the back of the PCB.
- The controller chip takes care of everything, drawing all the LEDs in the background.
- All you have to do is write data to it using the 2-pin I2C interface
Specification:
- Display Screen: 0.54 inch
- Display Color: Red Yellow; Green(sent randomly).
- Size(L*W*H): 50.7x28.4x12.4mm/1.99x1.11x0.48 inch
Package Includes:
6 pieces LED display module(color sent randomly)