Serial Port Tool focuses on RS232 serial port communication software.
N-Button
N-Button

Create widgets to control NCD Relay Boards without programming.



Tutorial for R8X and ProXR

R4X
R8X
Only
ProXR
Serials
Note:
Please download and install the file before you open Visual Basic.

NCDProXR Control for VB2005 and 2008

NCDProXR Control for VB6

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