16x8 1.2" LED Matrix + Backpack - Ultra Bright Square Amber LEDs FLORA This is the 20mm Reverse

This is the 20mm Reverse version of our different Qi MicroUSB Modules

Use a single 1KΩ pot (we include one) to adjust volume analog-style

Additional features coming with the REV3 version are:

Simultaneously supports the Pololu protocol

THE REACTOR'S MELTING DOWN

16x8 1.2" LED Matrix + Backpack - Ultra Bright Square Amber LEDs FLORA This is the 20mm ReverseWhat'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