J2-6 SDI(MOSI) LCD SPI bus write data signal J2-7 SCK LCD SPI bus clock signal J2-8 LED LCD backlight control signal (high level lighting, if you do not need control, please connect 3.3V) J2-9 ...
Arduino_XCA9554SWSPI(int8_t rst, int8_t cs, int8_t sck, int8_t mosi, TwoWire *wire = &Wire, uint8_t i2c_addr = XCA9554_IIC_i2c_addr); bool begin(int32_t speed = GFX_NOT_DEFINED, int8_t dataMode = ...
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