docs/esp8266/quickref: Add warning block about NeoPixel timing.

ddb53c94 · Christopher Tse · Damien George · 5c37e76e · ddb53c94
Commit ddb53c94 authored Jan 26, 2021 by Christopher Tse Committed by Damien George Jan 30, 2021
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docs/esp8266/quickref.rst docs/esp8266/quickref.rst +7 -0

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--- a/docs/esp8266/quickref.rst
+++ b/docs/esp8266/quickref.rst
@@ -364,6 +364,13 @@ For low-level driving of a NeoPixel::
    import esp
    esp.neopixel_write(pin, grb_buf, is800khz)

+.. Warning::
+   By default ``NeoPixel`` is configured to control the more popular *800kHz*
+   units. It is possible to use alternative timing to control other (typically
+   400kHz) devices by passing ``timing=0`` when constructing the
+   ``NeoPixel`` object.
+
+
 APA102 driver
 -------------