Hello, so you know how a lcd 16x2 thats NOT an I2C board using many wires, and if you have more than one lcd your arduino board becomes stuffed with wires. So what Im wondering how I would minimize the amounts of ports my arduino uses to I have the 4 ports open and ready for the SPI So I have an o…

Having many data outs go through just one pin instead of many

UKHeliBob February 1, 2024, 9:51pm 13

More correctly, 4 SPI backpacks require a total of 7 pins

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