12V USB Relay 4 Channel Programmable Computer Control
This is USB controlled relay Board with 4 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.
This module can be used:
1. Home automation
2. Robotics Control
3. Control doors and windows via windows system
4. Controller power supply
1. Supply the application code
2. Supply C++ lib and dll for building your own project