16x8 1.2" LED Matrix + Backpack - Ultra Bright Round White LEDs LEDs Sort of like a very

Sort of like a very short range bluetooth that doesn't require authentication

Accuracy: approx 2

This TFT display is 2

Comes with necessary contrast potentiometer

It looks slick

16x8 1.2" LED Matrix + Backpack - Ultra Bright Round White LEDs LEDs Sort of like a veryWhat's better than a single LED? Lots of LEDs! And what's better than lots of LEDs? TWO TIMES AS MANY LEDS!!! With the 16x8 LED Matrix Backpack we've doubled your project's matrix capacity by making it super easy to get two separate 8x8 matrices onto one handy board! Matrices like these are 'multiplexed' so to control 64 LEDs you need 16 pins and to control 128 LEDs, you'd need 24 pins. That's a lot of pins, and there are driver chips like the MAX7219