WS2812b Neopixel and nRF52 chips using hardware and software SPI clarification needed for Pixl and MDBT42Q

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Gordon

I2C? I2C can't be used for neopixels - and software SPI can't be used either.

How about:

Device hardware used pins available

STM32 based boards Hardware SPI Any SPI MOSI pin

nRF52 Hardware I2S Any pin

ESP32 / ESP82666 Hardware I2S Any pin

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