electronics/sabik-cpu
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Document WS2812B level shifter erratum

Browse Source
This commit is contained in:
Markus Koch 2021-07-17 23:07:20 +02:00
parent 08a2581297
commit 632772d4b7
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
README.MD
View File

@ -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. * 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). * Serial boot loader non-functional (uses incompatible UART I/Os).
* Workaround: Program via JTAG / SWD. * 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.