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Document WS2812B level shifter erratum

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Markus Koch 2021-07-17 23:07:20 +02:00
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README.MD
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@ -12,3 +12,7 @@ Board to run [colorchord2](https://github.com/cnlohr/colorchord) on a string of
* Workaround: Flip 180 degrees and solder shifted onto the right pads, then use magnet wire to connect the remaining two pads.
* Serial boot loader non-functional (uses incompatible UART I/Os).
* Workaround: Program via JTAG / SWD.
* Missing level shifters for WS2812B LEDs (RX)
* Workaround: Don't use WS2812B RX inputs on the board
* Missing level shifters for WS2812B LEDs (TX)
* Workaround: The first LED will kinda sorta do the level shifting for you, but sometimes fail to display correctly. Just ignore its erratic blinking.