Pimoroni - NEW PRODUCT ALERT: Interstate 75 - Enter the (RGB LED) matrix with this all-in-one, USB-C powered controller for HUB75 panels. 🌈 https://shop.pimoroni.com/products/interstate-75 | Facebook
JOY-iT Raspberry Pi Controllerboard for RGB-LED Matrix | Elektor
SparkFun LED Matrix - Serial Interface - Red/Green/Blue - COM-00760 - SparkFun Electronics
MIKROE-2239 | Mikroelektronika Modulo di alimentazione e driver per LED Matrix, Matrix RGB Click 5V | Distrelec Italia