Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface [TLC5947] : ID 1429 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
LTC3212 - RGB LED Driver and Charge Pump _ BDTIC a Leading Distributor in China
Adafruit IS31FL3741 13x9 PWM RGB LED Matrix Driver [STEMMA QT / Qwiic] : ID 5201 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Serial Controlled RGB LED PWM Driver PIC12F629 based PWM controller for RGB LEDs
LED Rainbow - RGB LED PWM Controller Construction - Easy to Build : 15 Steps - Instructables
LED Rainbow - PWM Controller for RGB LEDs and Ribbons
RGB LED PWM Driver Standalone PWM controller for RGB LEDs using PIC12F629
How to Apply Additional PWM Intensity Control to LED Drivers
RGB LED PWM Driver Based on Power MOSFET - EEWeb
Amazon.com: GIDERWEL 12 Channel DMX Decoder RGB LED Controller 60A PWM DMX512 Dimmer Driver for RGB LED Strip and LED Module Light DC12V-24V : Musical Instruments
DIY Arduino RGB LED Controller Shield - Electronics-Lab.com
Power MOSFET RGB LED PWM
MiniPuck DC PWM Dimmable CC LED Driver
Amazon.com: 4 Channel LED RF Controller RGBW/RGB/CCT/Dimming Controller PWM Constant Voltage Controller 12-24V : Electronics
3 Channel PWM Dimmer/RGB Controller
RGB LED Driver Module 2Bit Button Controller PWM Programmable LED Lamp for UNO R3 - LED Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation