Just got to working on the water delivery system controller. I will be using a UNO I received in my starter kit. Works fine but am choking on trying to send data to LCD display. The library examples I have viewed so far seem to be using a parallel output. My display comes with a serial adapter. The …

Writing to LCD (20x4) with SDA & SCL

hankmars September 14, 2025, 11:04pm 11

The adapter is maybe an I2C, not a 12C as I wrote earlier.

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