Thursday, January 23, 2014

Got my LCD display working with the Ethernet Shield.

For my project I need to use both the Ethernet Shield and an LCD display. The standard way to hook up an LCD screen is to wire data pins 4-7 to digital pins 2-5 and the register select and enable pins to digital pins 11 and 12. However the Ethernet shield uses pins D2, D4, D10-D13, A0 and A1. This posed a problem because some of these pins were used in the standard configuration for an LCD display. To work around this I wired the LCD data pins to the Arduino digital pins 3,5,6,7 and the register select and enable pins to digital pins 8 and 9.

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