Amazon.com: 2PCS LED Matrix Panel High-Definition Indoor Led Display Digital LED Module LED Display Screen P2.5 64x64 RGB SMD3 in 1 Plain Color Inside(6.29" x 6.29" x 0.5") : Electronics
Display Individual Texts, Images and videos on LED matrices with the Raspberry Pi - reichelt Magazin
Indoor LED Display P2.5 Medium 64x64 RGB LED Matrix Panel (6.29" x 6.29" x 0.5") $34.62
64x64 RGB LED Matrix Panel with 45 Degree Curb-Cut - 2.5mm Pitch : ID 5407 : $54.95 : Adafruit Industries, Unique & fun DIY electronics and kits
PJRC (Teensy) Forum
64X64 RGB LED Matrix-2.5mm Pitch-1-32 Scan
RGB LED Matrix Panel - Pimoroni
64x64 RGB LED Matrix Panel - 2mm Pitch | Available at Adafru… | Flickr