Adafruit LTC4311 I2C Extender / Active Terminator [STEMMA QT / Qwiic] : ID 4756 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Technoblogy - Controlling RGB LED Strips with a Single Function
Amazon.com: Acxico 1Pcs Full Color RGB LED Strip Driver Module Shield for Arduino UNO R3 STM32 AVR V1.0 for 5V MCU System : Electronics
LED Strip Input/Output Cable - 4-pin - Pimoroni
mLink RGBW LED Controller Module (HCMODU0185) - forum.hobbycomponents.com
Open-smart Full-color Rgb Led Strip Driver Module With Dc Jack + 10cm Rgb Led Strip Easy To Connect 12v Power Supply For Arduino - Industrial Computer & Accessories - AliExpress
Full-color Rgb Led Strip Driver Module With Dc Jack Led Strip Cable Interface Easy To Connect 12v Power Supply For Arduino - Industrial Computer & Accessories - AliExpress
Amazon.com: Acxico 1Pcs Full Color RGB LED Strip Driver Module Shield for Arduino UNO R3 STM32 AVR V1.0 for 5V MCU System : Electronics
Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack : ID 902 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Wi-Fi LED strip controller – Tommy van der Vorst
WS2811 Digital RGB LED Strip
$9.99 - I2C LED Dot Matrix Display, Red, 8 x 8 - Tinkersphere
Single Color Solderless Grip Connector - [PACK OF 3 OR 5]
How to control 19 RGB LED strips with one arduino? - Arduino Stack Exchange