Simple sketch using the GC9A01 LCD display driver with a 240x240 round display to show some test patterns in 18-bit color mode over SPI. This is deliberately simple and unoptimised example code.
| GC9A01 | Arduino |
|---|---|
| SCL | SCK |
| SDA | MOSI |
| RES | 8 |
| DC | 9 |
| CS | 10 |
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