16x8 1.2" LED Matrix + Backpack - Ultra Bright Square Amber LEDs Shipping:1 day although this is easily changed

although this is easily changed to another of eight locations - see Changing the RLY08 Address

Convert just about any battery pack to 5V with VERTER - our fresh new Buck-Boost power converter

a 915MHz radio + antenna

it releases the clock thus allowing the data to continue flowing without corruption

16x8 1.2" LED Matrix + Backpack - Ultra Bright Square Amber LEDs Shipping:1 day although this is easily changedWhat'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