National Control Devices, LLC specialized in USB, Ethernet, WiFi, RS-232, ZigBee, and Bluetooth Relay Controllers, allowing computer controlled switching from a local computer or from anywhere in the world.

Consultant Service
We have been working closely with NCD for years. We are experienced in software using NCD's devices. We supply the software consultant service for NCD's device.

Please send mail to dev@serialporttool.com about the quote on your project.