Overview

SKU:
806620
Mfr Part #:
881
UPC:
P881

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 all the seven-segment LEDs you need 14 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.

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Adafruit Industries 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Blue

$11.95
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