Product Name:   USB TTL232 UART PC MCU COM Relay Module CH340 WIN10 Linux MAC 8ch DC 5V 12V 24V
   
Package inlcuded:
  1pcs 2 IN 1 8 Channels USB&TTL 232 Relay Module
Description: 
  
1: Working voltage: DC 5V/12V/24V optional 
    
2: (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 223MA
  
3 UART serial port protocol, support two interfaces, USB_B female interface (CH340 chip), RS232 interface (TTL level)
  
4 USB Drive supports Windows, Linux and MAX operating systems
  
5: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' "All Relays Open" "All Relays Close" 8 Commands
  
6 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 Size: 90 * 62 * 19.5mm
9 Weight: 115 g
    
10 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  ;
Data collection; 
IT household appliance  ;
Intelligence household appliance;
Baby monitoring system;
PLC Industrial equipment
3D printer Workshop
LED Motor Driver

Two serial port wiring methods. USB wiring and TTL 232 wiring
Typial application :
 

1 DC5V/12V24V control circuit,Wiring diagram below. ''LOAD'' may be camera,LED lights, fans, motors and other DC5V/12V24V equipment
 
 
 
 
2 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