Small 1.2" 8x8 Ultra Bright White LED Matrix + Backpack Shipping:4-6 Days It is widely applied in

It is widely applied in many water quality applications

8° by the gearbox reduction ratio

While it will technically work with a [mini](https://www

The Notecard module also comes with integrated cellular

Small 1.2" 8x8 Ultra Bright White LED Matrix + Backpack Shipping:4-6 Days It is widely applied inWhat'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