Amazon.com: RGB Full Color LED Matrix Panel 64x64 Pixels, 4096 Individual RGB LEDs,Adjustable Brightness,3mm Pitch, Displaying Text Colorful Image Animation Chainable Design Compatible with Arduino/Raspberry Pi : Electronics
Adafruit RGB Matrix Bonnet for Raspberry Pi – Vilros.com
64x64 RGB LED Matrix - 3mm Pitch [192mm x 192mm] : ID 4732 : $59.95 : Adafruit Industries, Unique & fun DIY electronics and kits
SparkFun Block for Intel Edison - ADC | Electronics123
Adafruit NeoPixel Shield for Arduino - 40 RGB LED Pixel Matrix
Adafruit RGB Matrix Featherwing Kit for M0 And M4 Feather,Led-Panels,3036 | eBay
Adafruit RGB Matrix HAT + RTC for Raspberry Pi - Mini Kit | The Pi Hut
64x32 RGB LED Matrix - 2.5mm pitch : ID 5036 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Overview | 32x16 and 32x32 RGB LED Matrix | Adafruit Learning System