HI, guys. I have one question about how to wire up LCD to Arduino In my project, I connect MCP4822 with Arduino through SPI. So pin 12 and pin 10 are used for Arduino. Now I want to use LCD to show the output current. But Most of tutorials show the LCD using 12-10 for RS and RW. So I want to know …

how to wire LCD with SPI

CrossRoads November 3, 2012, 12:52am 2

If you are not using Pin 13 for SCK, then you are not using SPI.
Maybe faking it with software SPI.

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