3A RS422 RS485 Board1-2CH Relay DC 12V 24V ukuran mikro PC UART Serial Port Switch modul MODBUS RTU Digital Output modul
USD 3.48USD 4.97
3A RS422 RS485 Board1-2CH Relay DC 12V 24V ukuran mikro PC UART Serial Port Switch modul MODBUS RTU Digital Output modul