This is USB controlled relay Board with 2 channels. It’s used the HID technology, so no need to install any driver in windows system and you can easy to use. We also provide an application and the C++ develop library that you can easy to integrate this module to your project.
The relay can control the maximum voltage 250V, 10A AC load and 30V, 10A DC load
Support WIN7, XP 32 -bit systems
This module can be used:
Control doors and windows via windows system
Contorler power supply
PCB SIZE: 56.5mm*40mm
Supply the application code (Green indicates that the relay is closed , the red disconnect)
Supply C++ lib and dll for building your own project (include usb_relay_device.dll, usb_relay_device.lib, usb_relay_device.h).
Open the device , the software automatically obtain the current working state relay