2 in 1 DC 5V 8Channel USB Serial Port Relay Module UART RS232 TTL Switch Board CH340 for Windows Linux MAX OS

Manual Click here to open Description 1 Working voltage DC 5V2 DC12V Standby current all relays closed 12MA 1 relay open 40MA 2 relays open 67MA 3 relays open 95MA 4 relays open 121MA 5 relays open 147MA 6 relays open 173MA 7 relays open 198MA 8 relays open 223MA3 UART serial port protocol support two interfaces USB B female interface CH340 chip RS232 interface TTL level 4 USB interface supports Windows Linux and MAX operating systems5 Open Close Momentary Self locking Interlock Delay All Relays Open All Relays Close 8 Commands6 Two kinds of commands AT command and 8 byte command the two commands are automatically recognized no need to switch 7 Under the Delay command the maximum delay is 9999 seconds Only AT command 8 Maximum load 10A 250VAC 10A 125VAC 10A 30VDC 10A 28VDC 10A 12VDC9 Size 90 62 19 5mm10 Weight 115 gApplication Remote control remote measurement system Wireless meter Smart Home Home Automation Wiser Home Access control Identification system Data collection IT household appliance Intelligence household appliance Baby monitoring system Package Included 1 x 2 in 1 DC 5V 8Channel USB Serial Port Relay Module