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# README #
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== Introduction ==
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{{https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads/I2CLCDextraIO_assemblyProject_small.jpg|LCD library}}
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Welcome to the //LCD Library// for **Arduino** and **Chipkit**. It is a derivate of the original LiquidCrystal Library as
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sourced in the Arduino SDK. It has been developed to be compatible with the current LiquidCrystal library,
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its performance is almost 5 times faster and fully extendable if need be.
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Being faster, gives your applications more time to do more things than just controlling the LCD. So, its cool, you can do more stuff.
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It supports most Hitachi HD44780 based LCDs, or compatible, connected to any project using: 4, 8
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wire parallel interface, I2C IO port expander and Shift Regiter.
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It currently supports 4 types of connections:
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* 4 bit parallel LCD interface
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* 8 bit parallel LCD interface
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* I2C IO bus expansion board with the PCF8574* I2C IO expander ASIC such as [[http://www.electrofunltd.com/2011/10/i2c-lcd-extra-io.html|I2C LCD extra IO]].
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* ShiftRegister adaptor board as described [[http://code.google.com/p/arduinoshiftreglcd/|Shift Register project home]] or in the HW configuration described below, 2 and 3 wire configurations supported.
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* ShiftRegister 3 wire latch adaptor board as described [[http://www.arduino.cc/playground/Code/LCD3wires|ShiftRegister 3 Wire Home]]
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* Support for 1 wire shift register [[http://www.romanblack.com/shift1.htm|ShiftRegister 1 Wire]]
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* I2C bus expansion using general purpose IO lines.
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### How do I get set up? ###
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* Please refer to the project's wiki
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### Contribution guidelines ###
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* Writing tests
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* Code review
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* Help out with bug fixing
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* Setup a project logo
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* Write new drivers to support more LCDs.
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### Who do I talk to? ###
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* Repo owner or admin
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* For SoftI2CMaster latest versions, updates and support, please refer to [[https://github.com/todbot/SoftI2CMaster|todbot]]
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