The Relay Pros Value Free Ground Shipping! On all orders over $100 No Sales Tax Sales tax charged to MO residents only Big Selection, Easy Checkout Place your order online, by phone or fax   Professional Relay for the most demanding applications Component Library Over 40 samples included!  Start by downloading the NCD Component Library and you'll be communicating with any device faster that ever!  To Learn More and See Sample Screen Shots Visit Component Library Page. Phone: 800-960-4287          email: sales@ozarksav.com          Fax: 417-646-5662 USB Relay USB Relay Board Computer controlled switching using the USB port of your computer Works with any programming language that supports serial communications COM drivers allow you to assign any COM port to this device Wireless Relay Wireless Relay Boards 802.11b Wi-Fi Wireless Network Relay Controllers Integrated 8/10-Bit Analog to Digital Conversion 16 or 32 On-Board Relays RoHS Compliant Embedded Web Server and 802.11b WLAN Interface, Antenna and Power Supply Ethernet Relay Ethernet Relay Board Control up to 256 Relays over your Local Area Network Now Supporting Ethernet and Wi-Fi 802.11b Communications Mounts as a Virtual COM Port over TCP/IP Network for Easy Programming RoHS Compliant Option More Information > More Information > More Information > RS232 Relay RS232 Relay Board Our Original RS232 Relay Offers More Features and Expandability than Any Other Offers a 5-Year Warranty and Proven ProXR Command Set Sets the Standard for which all other Computer Controlled Switching Devices should be judged ZigBee Relay ZigBee Relay Board Transparent Wireless Serial Connection Between your Computer and Our Controller Just plug in a ZigBee Modem into the USB Port of your PC and open the virtual COM Port Talks to this device as though it were directly connected to your PC Bluetooth Relay Bluetooth Relay Board Allows wireless switching using any Bluetooth PDA, Laptop, or Computer Mounts as a Bluetooth Serial device Simply Open the new COM port and talk to the device as though it were directly connected to the Serial port Embedded Web Server and 802.11b WLAN Interface, Antenna and Power Supply Very easy to use and Program     More Information> More Information> More Information>       Analog to Digital Converter USB A/D Converter Read light levels AD temperature converter Easily activate relays when A/D limits are reached Detect audio levels in a room when connected to a microphone Applications are limitless, and surprisingly easy to integrate Mirror Modules Control Relays Without a Computer ZigBee Wireless Now Available Control Remote Wireless Relays from Contact Closure Inputs Controls up to 24 Different Relay Controllers Control up to 256 Relays High-Speed 2-Way Communications USB Potentiometer Programmable Potentiometer Fully programmable Available in 8, 16 & 24 channels 3 contact points for each resistor USB interface available RS232 interface available Add potentiometers to any relay with a UXP port with our expansion module More Information> More Information>> More Information>> WiFi 802.11b Relay Can also be controlled using Telnet. I.P. Addresses Computer Controlled Switching from Anywhere on the Network Easy Software Development Many Communication Protocols for Advanced Users 16 Channel Boards Available ProMOTE Software Control Any NCD Bluetooth Relay With a Cell Phone! Bluetooth Interface allows you to use your cell phone or PDA as a remote control Software also allows wireless communications from your PC Compatible with any NCD Bluetooth Relay Boards SignalSwitch.com Control Devices Over the Internet User-Customized Pages for Controlling Devices from Anywhere in the World Create your OWN Interface to Control NCD Devices with NO PROGRAMMING Turn your browser into a working remote control More Information>> More Information>> More Information>> Articles Learn about different technologies and discover new technologies with our helpful Articles section. Introduction to Computer Control RS-232 Serial Communications USB Communications ZigBee Communications Wi-Fi 802.11b and Ethernet Communications Bluetooth Communications Analog to Digital Conversion Introduction to Mirror Modules More Information> NCD Component Library  Fully Functioning Samples! Summary of Component Library Simplifies communications Samples for specific applications Samples for specific relays Source code included so you can customize the sample to fit your needs Ethernet & Network Samples also available - click here All samples are FREE To Learn More and See Sample Screen Shots - Click Here Over 40 samples included with this download!  Start by downloading the NCD Component Library and you'll be communicating with any device faster that ever! Very Little or NO Programming Involved! R410PRO RS-232 Relay Serial Relay Board with Four 10 Amp Relays BTADR220ProXR Bluetooth Relay 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D UXPR161DPDTProXR USB Relay 16-Channel 1 Amp DPDT + UXP Expansion Port Shelves molded from high-density polyethylene plastic Read Status of All or Individual Relays Two-Way Communication Capabilities Quick Connect Terminal Blocks Quick Start Kit Available Two 20-Amp SPDT Relays Mounts as a Virtual COM Port Wireless Communications with No Special Software 20A and 30A SPDT Available NO DRIVERS REQUIRED!!! USB Interface Mounts as a Virtual COM Port for Easy Programming XR Expansion Port Allows you to Add More Relays to this Device UXP Expansion Port Allows you to Add Expansion Modules More Information> More Information> More Information> R325DPDTPROXR 32-Channel RS232 5A DPDT RS-232 Latching Relay Board UXPSR325ProXR 32-Channel USB 5 Amp SPDT + UXP Universal Expansion Port NER3210ProXR 32-Channel Ethernet 10-Amp Latching Relay Board + 8-Channel A/D Sixteen Background Timers are Ideal for Duration Timing Expandable to control up to 256 Relays using the XR Expansion Port Control One Relay at a Time or All 256 Relays at Once with Manual and Automatic Refreshing Command Set USB Interface Mounts as a Virtual COM Port for Easy Programming XR Expansion Port Allows you to Add More Relays to this Device 1, 3 and 5 Amp DPDT Versions Available Ethernet Network Data Collection and Relay with Future Expandability in Mind RealPort Drivers Map Network IP Address to a COM Port Supports Telnet & Data Encryption with Password More Information> More Information>  More Information> Watchdog Timer Watchdog Server Reboot Control up to 256 Relays over your Local Area Network Now Supporting Ethernet and Wi-Fi 802.11b Communications Mounts as a Virtual COM Port over TCP/IP Network for Easy Programming Quick Start Kit Look For the Quick Start Kit when Ordering RS232 Boards Kit includes:  - Power Supply  - Serial Cable  - RSIO Serial Interface Board Everything you need to begin using your RS232 relay controller Look for the kit that works with your controller at checkout R25 Single Relay 20-Amp SPDT High-Power Relay Board Low-Cost Single Relay 1 Relay Status LEDs 2-Way Communication Capable Quick Start Kit Available Made in USA More Information> More Information> More Information>>  Why Purchase from Relay Pros Easy Payment Methods We accept Visa, MasterCard, American Express, Discover through our shopping cart or simply call our office and give us your order over the phone.  We also accept Government Purchase Orders.  If you require a detailed quote before you place your order call us and we will send you a personalized quote with the equipment you request. Order Status When you place your order we'll send you a tracking number when it ships and a paid invoice for your records.  Fast, Free Shipping Our products usually ship within three to five days although most items ship the next business day.  If you need something in a hurry call us and we'll ship to accommodate your schedule.  Relay orders over $100 ship UPS Ground FREE within the continental US! Keeping You Informed Check out our Blog to keep you informed of new products, helpful tips and other information to keep you and your equipment running. http://www.ozarksav.blogspot.com/ Fast, Efficient, Friendly Service It's not just a catchy phrase with us it's how we do business.  We'll make sure your order ships in a timely manor and send you a tracking number when it does. We Ship To Canada! Shipping to Canada?  Not a problem!  Call us at 800-960-4287 and place your order, most orders ship UPS Standard delivery at reasonable rates. Ozarks Audio Visual 800-960-4287