USB Relay USB Relay Controller  USB Relay Board   USB Computer Controlled Switching USB Relay Controllers allow computer controlled switching using the USB port of your computer.  An NCD USB Relay Board emulates a COM port, allowing you to speak to the relay board using any programming language that supports serial communications.  COM drivers allow you to assign any COM port to the USB Relay Board.  An NCD USB Relay Driver supports 8-Channels of 8-Bit / 10-Bit Analog to Digital Conversion (A/D) or UXP Expansion Port, and includes an XR Relay Expansion Port for adding additional relays to the USB Relay Controller Board. Quick Summery of USB Communications USB Interface mounts as a Virtual COM Port on your PC for easy programming and 100% compatibility across ALL operating systems Plug in, open the Virtual COM Port at 115.2K baud, and start sending commands Expandable to control up to 256 Relays using the XR Expansion Port SPDT, SPST, DPDT and Reed Relay versions available Control one relay at a time or all relays at once with manual and automatic refreshing command set ProXR versions are capable of controlling up to 256 relays All USB Controllers are SignalSwitch Compatible Lead Product Developer Ryan Sheldon Descries USB Relay Control Technologies, Covering the ProXR Standard and ZigBee Wireless Relay.   UADR410ProXR USB Relay Our USB Relays feature a wide range of controllers to fit just about any application!   DPDT and SPDT controllers are available with your choice of eight channel 8/10-Bit Analog to Digital Conversion or UXP Expansion Port on selected models and all are of course SignalSwitch compatible.  All USB models feature the ProXR Command Set and an XR Expansion Port.  Built from the ground up with Expansion in mind, simply Chain the XR Expansion Modules, one after another, to meet your computer controlled switching requirements. For more detailed information and to order, please click on the links below.   NEW TO USB RELAY? GET STARTED HERE Click the above link for an exclusive article on USB communications A/D Conversion USB Analog to Digital Converter UXP Expansion UXP Expansion Port XR Expansion ProXR versions Onboard analog to digital conversion is available on selected models of these controllers! This will allow you to: Read light and temperature levels Easily activate relays when A/D limits are reached Detect audio levels in a room when connected to a microphone Read switches, potentiometers, and analog joysticks applications are limitless, and surprisingly easy to integrate Available on 2 - 32 channel model USB boards More Information > UXP is a new standardized data port, specifically for the purpose of speaking to various expansion modules. If the controller you are considering is equipped with a UXP port, you can take advantage of extended commands to speak to our growing line of I/O expansion modules. UXP in the part number allows you to: Add Contact Closure Inputs Add Analog to Digital Inputs Add Voltage Detectors Digital Potentiometer Outputs Available on 16, 24 & 32 channel model USB Boards More Information > Models with the ProXR suffix will feature the ProXR commend set. The ProXR series will allow you to: Send simple commands to activate relays Upgrade without having to re-write your software Activate up to 16 relay timers Control up to 256 total relays using the XR expansion port Full backward/forward compatibility w/the ProXR series command set Available on the 2 - 32 channel model USB boards More Information > USB Relay Board Code Name Image Price   UADR220ProXR USB Relay Board 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D $126.00 UADR230ProXR USB Relay Board 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D $136.00 UADR85ProXR USB Relay Board 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $186.00 UADR810ProXR USB Relay Board 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $206.00 UAD1216ProXR USB 16-Channel 12-Bit A/D Analog to Digital Converter + XR Expansion Port $156.00 UAD1232ProXR USB 32-Channel 12-Bit A/D Analog to Digital Converter + XR Expansion Port $265.00 UAD1248ProXR USB 48-Channel 12-Bit A/D Analog to Digital Converter + XR Expansion Port $374.00 UPOT8ProXR USB 8-Channel Programmable Potentiometer + XR Expansion Port $117.00 UPOT16ProXR USB 16-Channel Programmable Potentiometer + XR Expansion Port $157.00 UPOT24ProXR USB 24-Channel Programmable Potentiometer + XR Expansion Port $197.00 UADR165ProXR USB Relay Board 16-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $306.00 UADR1610ProXR USB Relay Board 16-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $346.00 UXPR165ProXR USB Relay Board 16-Channel 5 Amp SPDT + UXP Expansion Port $306.00 UXPR1610ProXR USB Relay Board 16-Channel 10 Amp SPDT + UXP Expansion Port $346.00 UADR161DPDTProXR USB Relay Board 16-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D $309.00 UADR163DPDTProXR USB Relay Board 16-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D $349.00 UADR165DPDTProXR USB Relay Board 16-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D $389.00 UMXB24P-AWI USB ZigBee Modem 100mw Long Range Integrated Antenna + USB Cable/Enclosure $104.00 UMXB24P-AUI USB ZigBee Modem 100mw Long Range External Antenna + USB Cable/Enclosure $138.00 UMXB24-AWI USB ZigBee Modem 1mw 300' Range Internal Antenna + USB Cable/Enclosure $85.00 UMXB24-AUI USB ZigBee Modem 1mw 300' Range External Antenna + USB Cable/Enclosure $119.00 UADRR16-5SPDTPROXR USB Reed Relay Controller 16-Channel .5A SPDT + 8-Channel 8/10-Bit A/D $389.00 UADRR16-5SPSTPROXR USB Reed Relay Controller 16-Channel .5A SPST + 8-Channel 8/10-Bit A/D $309.00 UXPRR16-5SPSTPROXR USB Reed Relay Controller 16-Channel .5A SPST + UXP Expansion Port $309.00 UXPRR16-5SPDTPROXR USB Reed Relay Controller 16-Channel .5A SPDT + UXP Expansion Port $389.00 UADSR165ProXR USB Relay Controller 16-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $316.00 UADSR1610ProXR USB Relay Controller 16-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $356.00 UADSR245ProXR USB Relay Controller 24-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $411.00 UADSR2410ProXR USB Relay Controller 24-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $471.00 UADSR325ProXR USB Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $506.00 UADSR3210ProXR USB Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $586.00 UXPSR165ProXR USB Relay Controller 16-Channel 5 Amp SPDT + UXP Universal Expansion Port $316.00 UXPSR1610ProXR USB Relay Controller 16-Channel 10 Amp SPDT + UXP Universal Expansion Port $356.00 UXPSR245ProXR USB Relay Controller 24-Channel 5 Amp SPDT + UXP Universal Expansion Port $411.00 UXPSR2410ProXR USB Relay Controller 24-Channel 10 Amp SPDT + UXP Universal Expansion Port $471.00 UXPSR325ProXR USB Relay Controller 32-Channel 5 Amp SPDT + UXP Universal Expansion Port $506.00 UXPSR3210ProXR USB Relay Controller 32-Channel 10 Amp SPDT + UXP Universal Expansion Port $586.00 UADSR241DPDTProXR USB Relay Controller 24-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D $450.00 UADSR243DPDTProXR USB Relay Controller 24-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D $510.00 UADSR245DPDTProXR USB Relay Controller 24-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D $570.00 UADSR321DPDTProXR USB Relay Controller 32-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D $581.00 UADSR323DPDTProXR USB Relay Controller 32-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D $661.00 UADSR325DPDTProXR USB Relay Controller 32-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D $741.00 UXPSR241DPDTProXR USB Relay Controller 24-Channel 1 Amp DPDT + UXP Universal Expansion Port $450.00 UXPSR243DPDTProXR USB Relay Controller 24-Channel 3 Amp DPDT + UXP Universal Expansion Port $510.00 UXPSR245DPDTProXR USB Relay Controller 24-Channel 5 Amp DPDT + UXP Universal Expansion Port $570.00 UXPSR321DPDTProXR USB Relay Controller 32-Channel 1 Amp DPDT + UXP Universal Expansion Port $581.00 UXPSR323DPDTProXR USB Relay Controller 32-Channel 3 Amp DPDT + UXP Universal Expansion Port $661.00 UXPSR325DPDTProXR USB Relay Controller 32-Channel 5 Amp DPDT + UXP Universal Expansion Port $741.00 UADR1620ProXR USB Relay Controller 16-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D $546.00 UADR1630ProXR USB Relay Controller 16-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D $626.00 UADR3220ProXR USB Relay Controller 32-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D $915.00 UADR3230ProXR USB Relay Controller 32-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D $1,057.00 UXPR1620ProXR USB Relay Controller 16-Channel 20 Amp SPDT + UXP Universal Expansion Port $546.00 UXPR1630ProXR USB Relay Controller 16-Channel 30 Amp SPST + UXP Universal Expansion Port $626.00 UXPR3220ProXR USB Relay Controller 32-Channel 20 Amp SPDT + UXP Universal Expansion Port $915.00 UXPR3230ProXR USB Relay Controller 32-Channel 30 Amp SPST + UXP Universal Expansion Port $1,057.00 UADSRR32-5SPDTPROXR USB Reed Relay Controller 32-Channel .5A SPDT + 8-Channel 8/10-Bit A/D $741.00 UXPSRR32-5SPDTPROXR USB Reed Relay Controller 32-Channel .5A SPDT + UXP Universal Expansion Port $741.00 UADSRR32-5SPSTPROXR USB Reed Relay Controller 32-Channel .5A SPST + 8-Channel 8/10-Bit A/D $581.00 UXPSRR32-5SPSTPROXR USB Reed Relay Controller 32-Channel .5A SPST + UXP Universal Expansion Port $581.00 TLR85_USB Time Activated Relay 8-Channel 5-Amp SPDT with USB Interface $274.00 TLR810_USB Time Activated Relay 8-Channel 10-Amp SPDT with USB Interface $294.00 TLR165_USB Time Activated Relay 16-Channel 5-Amp SPDT with USB Interface $442.00 TLR1610_USB Time Activated Relay 16-Channel 10-Amp SPDT with USB Interface $439.00 TLR245_USB Time Activated Relay 24-Channel 5-Amp SPDT with USB Interface $494.00 TLR2410_USB Time Activated Relay 24-Channel 10-Amp SPDT with USB Interface $554.00 TLR485_USB Time Activated Relay 48-Channel 5-Amp SPDT with USB Interface $862.00 TLR4810_USB Time Activated Relay 48-Channel 10-Amp SPDT with USB Interface $982.00 TLR45_USB Time Activated Relay 4-Channel 5-Amp SPDT with USB Interface   $234.00 TLR410_USB Time Activated Relay 4-Channel 10-Amp SPDT with USB Interface   $244.00 ZADR45PROXR_USB USB Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $159.00 ZADR410PROXR_USB USB Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $169.00 ZADSR245PROXR_USB USB Relay Controller 24-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D   $435.00 ZADSR2410PROXR_USB USB Relay Controller 24-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D   $495.00 ZADSR325PROXR_USB USB Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D $530.00 ZADSR3210PROXR_USB USB Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D $610.00 ZUXPSR161DPDTPROXR_USB USB Relay Controller Board 16-Channel 1 Amp DPDT + UXP Universal Expansion Port $343.00 ZUXPSR163DPDTPROXR_USB USB Relay Controller Board 16-Channel 3 Amp DPDT + UXP Universal Expansion Port $383.00 ZUXPSR165DPDTPROXR_USB USB Relay Controller Board 16-Channel 5 Amp DPDT + UXP Universal Expansion Port $423.00