Update README.md

VasilKalchev · Mar 27, 2017 · 8a94400 · 8a94400
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@@ -3,4 +3,10 @@ Example 9: I2C_menu
 
 ![schematic](https://github.com/VasilKalchev/LiquidMenu/blob/master/examples/I_I2C_menu/I2C_menu.png?raw=true)
 This is the "hello_menu" example configured for I2C connection.
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 To use an I2C connection you need to define I2C as "true" in the "LiquidMenu_config.h" file.
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+Tested with [LiquidCrystal_I2C][lc_i2c].
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+[lc_i2c]: https://github.com/marcoschwartz/LiquidCrystal_I2C