WS2812B (RGB) [or compatible RGBW] with STM32 + DMA
Example code for driving WS2812B LEDs with STM32 using TIM, PWM and DMA.
Detailed explanation of driving procedure is explained in official tutorial post:
http://stm32f4-discovery.net/2018/06/tutorial-control-ws2812b-leds-stm32/