From d43ed087aee3444a96da059dfdb532c810f7656c Mon Sep 17 00:00:00 2001 From: Mike Causer Date: Fri, 30 Apr 2021 15:54:28 +1000 Subject: [PATCH] docs/esp8266: Mention Signal in GPIO section of quickref. --- docs/esp8266/quickref.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/esp8266/quickref.rst b/docs/esp8266/quickref.rst index af2ef1ca1a9d..c4fa779c217a 100644 --- a/docs/esp8266/quickref.rst +++ b/docs/esp8266/quickref.rst @@ -138,6 +138,10 @@ Also note that Pin(16) is a special pin (used for wakeup from deepsleep mode) and may be not available for use with higher-level classes like ``Neopixel``. +There's a higher-level abstraction :ref:`machine.Signal ` +which can be used to invert a pin. Useful for illuminating active-low LEDs +using ``on()`` or ``value(1)``. + UART (serial bus) -----------------