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

Application:

1. Supply the application code

2. Supply C++ lib and dll for building your own project

(include usb_relay_device.dll, usb_relay_device.lib, usb_relay_device.h)

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Package Included:

1 x 12V USB Relay 4 Channel Programmable Computer Control For Smart Home New