Go to your Arduino library folder and delete the default LiquidCrystal library From inside the zip archive extract the NewLiquidCrystal folder Which at the time of writing this update is 1.3.4. On the download page, download the latest version. NewLiquidCrystal is a replacement for the default library so the default library has to be removed from the Arduino’s libraries folder.Įxtensible hd44780 LCD library is still fairly new but seems to work well.įrom the main wiki page click the Download link. It has a number of benefits over the default library, including the ability to handle screens with an I2C adapter. NewLiquidCrystal is a collection of libraries that can handle almost all HD44780 compatible displays. The two I use and recommend are NewLiquidCrystal by Francisco Malpartida and Bill Perry’s Extensible hd44780 LCD library. There are various other Character LCD libraries available. This works with parallel interfaces only. The Arduino IDE comes with a basic LiquidCrystal library pre installed. On the downside, when different libraries try to use the same resources it can be very difficult to find the problem. The library happily does all of this for us. A key benefit of using a library is that we do not need to care that much about the technical details or timings when using the display.
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