Product Name: DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
 
Package inlcuded:
1pcs USB Serial Port Bpard 8CH Relay OUT & 8CH Optically isolated IN
Description:
 
1: Working voltage: DC 12V/24V optional
 
2: (DC12V)Standby current (all relays closed) 11MA, 1 relay open 39MA, 2 relays open 67MA, 3 relays open 94MA,4 relays open 120MA,5 relays open 146MA,6 relays open 172MA, 7 relays open 198MA,8 relays open 222MA
 
3 8 photoelectric isolation Input ports (NPN low level active ), the input and output relationship can be set to associated (default) and non-associated through commands.

4 UART serial port protocol, USB_B female interface (CH340 chip)
 
5 USB interface supports Windows(WIN10 WIN8 WIN7 WINXP), Linux and MAX operating systems
 
6: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' ''All Relays Open'' ''All Relays Close'' 8 Commands
 
7 Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch.
 
8: Under the ''Delay'' command ,the maximum delay is 9999 seconds(Only AT command)
 
9 Size: 111 * 63 * 19mm
10 Weight: 123 g
 
11 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
 
For more information, please contact me
Without the USB B cable, you need to purchase the USB cable separately.
 
Application

Remote control, remote measurement system;
Wireless meter ;
Smart Home,Home Automation ,Wiser Home;
Access control ;
Identification system ;
Digital quantity acquisition;
IT household appliance ;
Intelligence household appliance;
Baby monitoring system;

 
Typial application :
DC 1-110VAC 85-265V control circuit,Wiring diagram below(Note:If not DC5V/12V24V load, need another DC5V/12V24V power supply). ''LOAD'' may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipment