항목 UART SPI I2C 약어 Universal Asyncronous Receiver/Transmitter Serial Peripheral Interface Inter-Intergrated Circuit Diagram Pin TxD(Transmit data) RxD(Receive data) SCLK(Serial Clock) MOSI(Master output, Slave input) MISO(Master input, Slave output) SDA(Serial data) SCL(Serial clock) Data rate Max. 115,200bps (보통) ＊모델에 따라 다름 10Mbps ~ 20Mbps (보통) ＊정해져 있지 않음 100k, 400k, 3.4Mbps (보통) Distance 5m ↓ ..
