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Update README.md

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philippe44
2020-02-05 16:13:27 -08:00
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@@ -65,6 +65,8 @@ The NVS parameter "metadata_config" sets how metadata is displayed for AirPlay a
- 'format' can contain free text and any of the 3 keywords %artist%, %album%, %title%. Using that format string, the keywords are replaced by their value to build the string to be displayed. Note that the plain text following a keyword that happens to be empty during playback of a track will be removed. For example, if you have set format=%artist% - %title% and there is no artist in the metadata then only <title> will be displayed not " - <title>".
Currently only 128x32 I2C display like [this](https://www.buydisplay.com/i2c-blue-0-91-inch-oled-display-module-128x32-arduino-raspberry-pi) are supported
### Set GPIO
The parameter "set_GPIO" is use to set assign GPIO to various functions.