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libraries/hd44780/examples/ioClass/hd44780_I2Cexp/README.md

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+hd44780_I2Cexp examples
+=======================
+
+The examples included in this directory are for the hd44780_I2Cexp i/o class.<br>
+The hd44780_I2Cexp i/o class controls an LCD using an i2c i/o exapander backpack (PCF8574 or MCP23008)
+
+
+#### The following examples are included:
+
+- `HelloWorld`<br>
+Prints "Hello, World!" on the lcd
+
+- `I2CexpDiag`<br>
+Verifies configuation & operation of hd44780 LCDs based
+on the Hitachi HD44780 and compatible chipsets using I2C extension
+backpacks that use a simple I2C i/o expander chip. (PCF8574 or MCP23008)
+Sketch supports testing of multiple displays at once.
+
+- `LCDCustomChars`<br>
+Demonstrates using custom characters
+
+- `LineWrap`<br>
+Demonstrates automatic linewrap functionality
+
+- `MultiDisplay`<br>
+Displays information on multiple displays at once.
+
+- `ReadWrite`<br>
+Demonstrates the ability to read data from the LCD.
+
+- `Serial2LCD`<br>
+Displays a message read from the serial port on the lcd.
+
+- `SoftwareWire`<br>
+Demonstrates how to use the SoftwareWire library to allow using different pins
+for SDA and SCL signals.
+
+- `UpTime`<br>
+Prints the amount of time since the Arduino has been reset.
+
+- `hd44780examples`<br>
+The hd44780examples subdirectory contains
+hd44780_I2Cexp class specific wrapper sketches for sketches under
+examples/hd44780examples.