Feature(may vary by option.)

●You can control the relay from your computer.
●Relay unit uses reliable SRD-5VDC-SL-C. Easy to install.
●The LED on the board can check the state of the relay terminal.
●9-circuit version.

[9 circuits]

[5 circuit]

Description

"Universal USB Connection Relay Control Board" is an expansion board for controlling 5 or 9 relay connections from your PC.
By connecting the USB, you can freely control the operation of the relay from the app on your PC.
Relay units are made with reliable SRD-5VDC-SL-C. Supports voltage and current up to AC 250V/10A, DC30V/10A.
In addition to being able to attach and remove terminal blocks that can be connected with a single screwdriver, the size is also considerably suitable for use in commercially available cases.
It also has a wide variety of soft aspects such as the DLL library and publishing samples that can be used from their own app to control.
Great for large displays where you want to control multiple devices that handle large power.