Document WS2812B level shifter erratum
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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. | ||||
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