Produced by BIGTREETECH
Page 17 of 25
5.4 SPECIAL NOTE ON EXPANSION INTERFACES
Expansion interfaces are provided for SPI, UART and I2C. In the very first
production run of the Octopus the silkscreen on the underside of the PCB had
two pins that were mislabeled on the SPI3 interface and two on the Raspberry
Pi UART interface. To be sure that you are connecting your peripheral
correctly, please refer to the PINS.pdf document if using the SPI or UART
interface.
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