Adafruit Small 1.2" 8x8 LED Matrix w/I2C Backpack - Blue Shipping:1 day com/tutorials/microsd-shield-and-sd-breakout-hookup-guide)

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* Operating Voltage: 5-16Vdc

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Adafruit Small 1.2" 8x8 LED Matrix w/I2C Backpack - Blue Shipping:1 day com/tutorials/microsd-shield-and-sd-breakout-hookup-guide)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 at Adafruit we feel your pain! After all, wouldn't it be