SPI
Serial Peripheral Interface. A synchronous full-duplex bus with separate clock and data lines. Higher throughput than UART. Used for sensors (IMU, magnetometer) and could serve as the interface to an optical transceiver.
Serial Peripheral Interface. A synchronous full-duplex bus with separate clock and data lines. Higher throughput than UART. Used for sensors (IMU, magnetometer) and could serve as the interface to an optical transceiver.