Hardware Projects RPEDC Designs Designs Data Lines I2C I2C0 Name Pin SDA0 GP0 SCL0 GP1 I2C1 Name Pin SDA1 GP4 SCL1 GP5 SPI SPI0 Name Pin MISO0 GP16 MOSI0 GP19 CSN0 GP17 SCK0 GP18 SPI1 Name Pin MISO1 GP12 MOSI1 GP11 CSN1 GP13 SCK1 GP14 UART UART0 Name Pin TX0 GP28 RX0 GP29 ComponentsJournal