## MAC
i2ctransfer -y -f 3 w2@0x51 0x00 0x00 r6

i2ctransfer -y -f 3 w3@0x51 0x00 0x00 0x68
i2ctransfer -y -f 3 w3@0x51 0x00 0x01 0xed
i2ctransfer -y -f 3 w3@0x51 0x00 0x02 0x21
i2ctransfer -y -f 3 w3@0x51 0x00 0x03 0x26
i2ctransfer -y -f 3 w3@0x51 0x00 0x04 0x25
i2ctransfer -y -f 3 w3@0x51 0x00 0x05 0x37

##UART
UART_RX5_232&UART_TX5_232   /dev/ttyS7
UART_TTL                    /dev/ttyS0
UART_RX3_232&UART_TX3_232   /dev/ttyS5
UART_RX4_232&UART_TX4_232   /dev/ttyS9
RS485_A1 & RS485_B1         /dev/ttyS3
RS485_A2 & RS485_B2         /dev/ttyS4

#GPIO
GPIO1 56
GPIO2 57
GPIO3 58
GPIO4 59