Bare Metal Bit Banging: WS2812B Driver
In this video, we examine the WS2812B RGB LED device, and write a bit-banged driver from scratch for an STM32 microcontroller.
Chapters
00:00 What is a WS2812 / NeoPixel
02:33 Hardware overview
06:00 What is a "device driver"?
08:35 The signalling protocol
15:00 Reviewing the datasheet
22:00 Figuring out the GPIO timing
49:32 First LED test
53:36 Implementing the driver interface
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