The “I2C LCD Interface” lets you connect up an LCD display to a microcontroller (in this case they are using a FreeDuino controller) with only two wires. Check out the link below for the details on this setup in order to get your project displaying text in no time.
4 thoughts on “I2C Interface allows for simple LCD connectivity”
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Isn’t the Arduino already open source?
Yes, the Arduino is open source. Not sure why the blog would suggest otherwise.