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-rw-r--r--docs/ws2812_driver.md9
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diff --git a/docs/ws2812_driver.md b/docs/ws2812_driver.md
index fe5f88585a..941e1bde08 100644
--- a/docs/ws2812_driver.md
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@@ -19,6 +19,15 @@ These LEDs are called "addressable" because instead of using a wire per color, e
## Driver configuration
+### All drivers
+
+Different versions of the addressable LEDs have differing requirements for the T<sub>RST</sub> period between frames.
+The default setting is 280 µs, which should work for most cases, but this can be overridden in your config.h. e.g.:
+
+```c
+#define WS2812_TRST_US 80
+```
+
### Bitbang
Default driver, the absence of configuration assumes this driver. To configure it, add this to your rules.mk: