Usb Relay Available Now and Ready To Ship

You can find great prices and selection on new and used Usb Relay from one of the most trusted online retailers around and that place is Ebay.com. If you are a business owner, the first thing on your mind is saving a buck or two. To Reduce that bottom line and make more profit. Business equipment and supplies are expensive and for most business owners, they would rather buy used than new and save a ton of money. Our listings are straight from Ebay so take a look and if you see something that interests you, just click for more info.

   
Tosr180 5v 8 channel Smartphone Usb wireless Relay

Tosr180 5v 8

Tosr180 5v 8 channel Smartphone Usb wireless Relay

$36.95

Devantech 8 channel 1a Optically Isolated Usb Relay Module

Devantech 8 channel

Devantech 8 channel 1a Optically Isolated Usb Relay Module

$99.92

Devantech 8 channel Usb Relay Module

Devantech 8 channel

Devantech 8 channel Usb Relay Module

$76.22

Devantech 16a 8 channel Latching Relay Module

Devantech 16a 8

Devantech 16a 8 channel Latching Relay Module

$98.45

Devantech 2 Channel Usb Relay

Devantech 2 Channel

Devantech 2 Channel Usb Relay

$44.68

Devantech Usb rly16 16amp 8 Channel Relay Module

Devantech Usb rly16

Devantech Usb rly16 16amp 8 Channel Relay Module

$85.50

Ontrak Adu208 Usb Relay I o Interface J1 usb

Ontrak Adu208 Usb

Ontrak Adu208 Usb Relay I o Interface J1 usb

$95.99

Ontrak Control Systems Adu200 Usb Relay I o Interface

Ontrak Control Systems

Ontrak Control Systems Adu200 Usb Relay I o Interface

$50.83

Velleman Vm8090 8 channel Usb Relay Card

Velleman Vm8090 8

Velleman Vm8090 8 channel Usb Relay Card

$140.96

Usb erb24 24 Channel Usb based Relay Module With 6 Amp Relays

Usb erb24 24

Usb erb24 24 Channel Usb based Relay Module With 6 Amp Relays

$410.00

Usb erb08 Usb based 8 channel Electromechanical Relay Interface Device With 6 Am

Usb erb08 Usb

Usb erb08 Usb based 8 channel Electromechanical Relay Interface Device With 6 Am

$295.00

Kmtronic Usb 8 Channel Relay Board Rs232 Serial Controlled Microchip Cdc

Kmtronic Usb 8

Kmtronic Usb 8 Channel Relay Board Rs232 Serial Controlled Microchip Cdc

$33.30

Sainsmart 16 channel 9 36v Usb Relay Module For Arduino Raspberry Pi

Sainsmart 16 channel

Sainsmart 16 channel 9 36v Usb Relay Module For Arduino Raspberry Pi

$33.99

8 Channel Usb wireless Relay Module xbee bluetooth wifi cell Phone Control

8 Channel Usb

8 Channel Usb wireless Relay Module xbee bluetooth wifi cell Phone Control

$46.99

8 Channel Usb wireless 5v Relay Module Bluetooth Remote Control Kit

8 Channel Usb

8 Channel Usb wireless 5v Relay Module Bluetooth Remote Control Kit

$66.99

Usb Relay Controller Rs232 Serial Controlled Board

Usb Relay Controller

Usb Relay Controller Rs232 Serial Controlled Board

$35.00

Tinysine Tsru430 4 Channel 30amp 12v Dc Usb Relay Board

Tinysine Tsru430 4

Tinysine Tsru430 4 Channel 30amp 12v Dc Usb Relay Board

$62.95

4 Channel Usb wireless 5v Relay Module Wifi Remote Control Kit

4 Channel Usb

4 Channel Usb wireless 5v Relay Module Wifi Remote Control Kit

$79.99

2 Channel Usb wireless 5v Relay Module Bluetooth Remote Control Kit Android ios

2 Channel Usb

2 Channel Usb wireless 5v Relay Module Bluetooth Remote Control Kit Android ios

$44.99

4 Channel Usb wireless Relay Board with Temperature Ds18b20 Andriod ios

4 Channel Usb

4 Channel Usb wireless Relay Board with Temperature Ds18b20 Andriod ios

$36.00

8 Channel Usb wireless 5v Relay Module Wifi Remote Control Kit

8 Channel Usb

8 Channel Usb wireless 5v Relay Module Wifi Remote Control Kit

$95.00

Iorelay 24 channel Relay Controller 10a Spdt Gpio I2c Adc Usb Ethernet Fusion

Iorelay 24 channel

Iorelay 24 channel Relay Controller 10a Spdt Gpio I2c Adc Usb Ethernet Fusion

$600.00

Kmtronic Usb Rf433mhz 8 Channel Relay Board controller

Kmtronic Usb Rf433mhz

Kmtronic Usb Rf433mhz 8 Channel Relay Board controller

$76.50

Pc Usb Four 4 Relay Board Jqc 3fc With Temperature Sensor For Home Automation

Pc Usb Four

Pc Usb Four 4 Relay Board Jqc 3fc With Temperature Sensor For Home Automation

$34.70

Kmtronic Usb Rs485 16 Channel Relay Board controller

Kmtronic Usb Rs485

Kmtronic Usb Rs485 16 Channel Relay Board controller

$102.60

8 Channel Usb wireless Relay Ios android Wifi Control Kit temperature Ds18b20

8 Channel Usb

8 Channel Usb wireless Relay Ios android Wifi Control Kit temperature Ds18b20

$88.00

4 Channel Usb wireless Timer Relay Module xbee Bluetooth Wifi Extension

4 Channel Usb

4 Channel Usb wireless Timer Relay Module xbee Bluetooth Wifi Extension

$32.95

8 Channel Usb Relay Board

8 Channel Usb

8 Channel Usb Relay Board

$100.75

2 Channel Usb wireless 5v Relay Module Xbee S1 Remote Control Kit

2 Channel Usb

2 Channel Usb wireless 5v Relay Module Xbee S1 Remote Control Kit

$89.99

8 Channel Usb wireless 5v Relay Module Xbee Remote Control Kit

8 Channel Usb

8 Channel Usb wireless 5v Relay Module Xbee Remote Control Kit

$111.99

Usb 16 Channel Relay Module board For Home Automation 12v

Usb 16 Channel

Usb 16 Channel Relay Module board For Home Automation 12v

$84.20

Kmtronic Usb 8 Channel Relay Board Din Rail Microchip Cdc

Kmtronic Usb 8

Kmtronic Usb 8 Channel Relay Board Din Rail Microchip Cdc

$36.45

Kmtronic Usb Rs485 32 Channel Relay Board controller

Kmtronic Usb Rs485

Kmtronic Usb Rs485 32 Channel Relay Board controller

$176.40

4 Channel Usb wireless 5v Relay Module Xbee Remote Control Kit

4 Channel Usb

4 Channel Usb wireless 5v Relay Module Xbee Remote Control Kit

$94.99

Kmtronic Usb Rs485 24 Channel Relay Board controller

Kmtronic Usb Rs485

Kmtronic Usb Rs485 24 Channel Relay Board controller

$136.80

Modbus Rtu Usb 16 Channel Relay Module board For Home Automation

Modbus Rtu Usb

Modbus Rtu Usb 16 Channel Relay Module board For Home Automation

$84.20

Kmtronic Usb Rs485 40 Channel Relay Board controller

Kmtronic Usb Rs485

Kmtronic Usb Rs485 40 Channel Relay Board controller

$207.00

Ontrak Control Systems Adu218 Usb Solid state Relay I o Interface

Ontrak Control Systems

Ontrak Control Systems Adu218 Usb Solid state Relay I o Interface

$39.99

Dc 30a 5v 8 Channel Usb Relay Module Serial Control Switch Hi Low Level Trigger

Dc 30a 5v

Dc 30a 5v 8 Channel Usb Relay Module Serial Control Switch Hi Low Level Trigger

$44.15

8 Channel Usb wireless 5v Timer Relay Module Support Ios And Android Tosr08 d

8 Channel Usb

8 Channel Usb wireless 5v Timer Relay Module Support Ios And Android Tosr08 d

$46.99

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

Usb 9 30v

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

$75.45

Endurance Robotics Usb Relay Controller

Endurance Robotics Usb

Endurance Robotics Usb Relay Controller

$59.95

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

2 4 8

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

$33.19

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

2 4 8

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

$46.15

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

Usb 9 30v

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

$38.29

Kmtronic Usb Rs485 8 Channel Relay Board controller

Kmtronic Usb Rs485

Kmtronic Usb Rs485 8 Channel Relay Board controller

$62.10

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

2 4 8

2 4 8 16 Channel Relay Rs485 Serial Switch Controller 9 30v Dc Usb Converter Plc

$63.89

Pc Usb Four 4 Relay Board With Temperature Sensor Tcn75a For Home Automation

Pc Usb Four

Pc Usb Four 4 Relay Board With Temperature Sensor Tcn75a For Home Automation

$36.20

Tosr08 8 Channel Usb wireless 5v Relay Module

Tosr08 8 Channel

Tosr08 8 Channel Usb wireless 5v Relay Module

$32.00

Kmle Ia 2104 u Usb Relay Controller Module 4 Spdt Power Relays 4 ch 240vac 8amp

Kmle Ia 2104

Kmle Ia 2104 u Usb Relay Controller Module 4 Spdt Power Relays 4 ch 240vac 8amp

$39.00

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

Usb 9 30v

Usb 9 30v Dc 2 4 8 16 Channel Rs232 Relay Serial Controller Board Db9 Switch Pc

$58.95

2 Channel Usb wireless Relay Bluetooth Android Smartphone Control Kit ds18b20

2 Channel Usb

2 Channel Usb wireless Relay Bluetooth Android Smartphone Control Kit ds18b20

$47.95

4 Channel Usb wireless Smartphone Relay Bluetooth Kit temperature Ds18b20

4 Channel Usb

4 Channel Usb wireless Smartphone Relay Bluetooth Kit temperature Ds18b20

$52.00

Kmle Ia 2116u Usb 16 Channel Relay Module

Kmle Ia 2116u

Kmle Ia 2116u Usb 16 Channel Relay Module

$70.00

4 Channel Usb wireless Relay Bluetooth Wifi Ios Android temperature Ds18b20

4 Channel Usb

4 Channel Usb wireless Relay Bluetooth Wifi Ios Android temperature Ds18b20

$33.99

10pcs 6 30v Mini Usb Relay Module Delay Trigger Cycle Timer Circuit Lcd Switch

10pcs 6 30v

10pcs 6 30v Mini Usb Relay Module Delay Trigger Cycle Timer Circuit Lcd Switch

$58.89

8 Channel Usb wireless Relay Bluetooth Android Smartphone Control Kit ds18b20

8 Channel Usb

8 Channel Usb wireless Relay Bluetooth Android Smartphone Control Kit ds18b20

$67.95

4 Channel Outputs 4 Optically Isolated Inputs Usb wireless Relay Oled Display

4 Channel Outputs

4 Channel Outputs 4 Optically Isolated Inputs Usb wireless Relay Oled Display

$45.90

Ontrak Adu208 Usb Relay I o Interface

Ontrak Adu208 Usb

Ontrak Adu208 Usb Relay I o Interface

$99.00

 Tosr08 t Channel Usb wireless Relay xbee bluetooth wifi Ios android Control

Tosr08 t

Tosr08 t Channel Usb wireless Relay xbee bluetooth wifi Ios android Control

$47.99

Velleman Vm206 Universal Timer Module With Usb Interface

Velleman Vm206 Universal

Velleman Vm206 Universal Timer Module With Usb Interface

$39.97

Velleman Vm206 Universal Timer Module With Usb Interface

Velleman Vm206 Universal

Velleman Vm206 Universal Timer Module With Usb Interface

$39.97

Pencom Design 8 Channel Usb Relay Board With Io Led s Model U8 rly io ext l

Pencom Design 8

Pencom Design 8 Channel Usb Relay Board With Io Led s Model U8 rly io ext l

$59.99

3pcs Relay Module Micro Usb 8 channel 5v 10a Dc usb Control Us Stock W

3pcs Relay Module

3pcs Relay Module Micro Usb 8 channel 5v 10a Dc usb Control Us Stock W

$39.86

Velleman Vm116 Usb Controlled Dmx Interface

Velleman Vm116 Usb

Velleman Vm116 Usb Controlled Dmx Interface

$83.73

Tstr04 4 Channel Outputs 4 Temperature Sensors Usb Relay thermostats

Tstr04 4 Channel

Tstr04 4 Channel Outputs 4 Temperature Sensors Usb Relay thermostats

$39.00

Velleman Vm116 Usb Controlled Dmx Interface

Velleman Vm116 Usb

Velleman Vm116 Usb Controlled Dmx Interface

$69.97

Velleman Vm116 Usb Controlled Dmx Interface Latest Version

Velleman Vm116 Usb

Velleman Vm116 Usb Controlled Dmx Interface Latest Version

$69.97

Emtec P700 Series 1tb Usb 3 0 Wifi hdd echdd1000p700 Black New

Emtec P700 Series

Emtec P700 Series 1tb Usb 3 0 Wifi hdd echdd1000p700 Black New

$79.99

Emtec P700 Series 1tb Usb 3 0 Wifi hdd echdd1000p700 Black New Sealed

Emtec P700 Series

Emtec P700 Series 1tb Usb 3 0 Wifi hdd echdd1000p700 Black New Sealed

$89.89

New Usb Decoder Dac Independent Es9028 Decoding Phone Dsd For Android

New Usb Decoder

New Usb Decoder Dac Independent Es9028 Decoding Phone Dsd For Android

$35.69

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

Se4 Computer Usb

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

$43.66

1pc New Usb 6211 Ni Data Acquisition Card

1pc New Usb

1pc New Usb 6211 Ni Data Acquisition Card

$1,650.00

M300 Ak4497 Usb Sound Card Apple Android Decoder Dac Portable Hard Solution Dsd

M300 Ak4497 Usb

M300 Ak4497 Usb Sound Card Apple Android Decoder Dac Portable Hard Solution Dsd

$169.00

1pc New Ni Usb 8451 Acquisition Card

1pc New Ni

1pc New Ni Usb 8451 Acquisition Card

$500.00

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

Se4 Computer Usb

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

$43.00

1pc New Ni Usb 6525

1pc New Ni

1pc New Ni Usb 6525

$833.00

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

Se4 Computer Usb

Se4 Computer Usb Decoder Dac Independent Es9028 Decode Dsd Support

$50.06

1pc New Ni Usb 6501 Digital Acquisition Card

1pc New Ni

1pc New Ni Usb 6501 Digital Acquisition Card

$273.00

Lot Of 20 Hirose Zx62r b 5p Connector Receptacle Usb Micro B 2 0 5pos v125

Lot Of 20

Lot Of 20 Hirose Zx62r b 5p Connector Receptacle Usb Micro B 2 0 5pos v125

$40.00

8 Relay I2c Usb Reprogrammable On board Cpu 5v 12v 24v Labview Drv Arduino

8 Relay I2c

8 Relay I2c Usb Reprogrammable On board Cpu 5v 12v 24v Labview Drv Arduino

$89.99

Lot Of 53 Jae Dx1r005hn2e700 Connector Receptacle Usb Mini A 2 0 5 Pos v111

Lot Of 53

Lot Of 53 Jae Dx1r005hn2e700 Connector Receptacle Usb Mini A 2 0 5 Pos v111

$250.00

1pc New Usb 6211 Ni Data Acquisition Card

1pc New Usb

1pc New Usb 6211 Ni Data Acquisition Card

$1,586.59

Usb Two Relay Controller Rs232 Serial Controlled

Usb Two Relay

Usb Two Relay Controller Rs232 Serial Controlled

$49.00

Avocent Usbiac 10 10ft Usb Cat5 Integrated Access Cable Free Shipment

Avocent Usbiac 10

Avocent Usbiac 10 10ft Usb Cat5 Integrated Access Cable Free Shipment

$59.70

New Ak4497 Usb Sound Card Apple Android Decoder Dac Portable Hard Solution Dsd

New Ak4497 Usb

New Ak4497 Usb Sound Card Apple Android Decoder Dac Portable Hard Solution Dsd

$180.00

1pc New Xnns Proximity Sensor Usb 1211

1pc New Xnns

1pc New Xnns Proximity Sensor Usb 1211

$42.40

1pc New Ni Usb 6009 Capture Card

1pc New Ni

1pc New Ni Usb 6009 Capture Card

$640.79

1pc New Panasonic Photoelectric Sensor Usb 1110

1pc New Panasonic

1pc New Panasonic Photoelectric Sensor Usb 1110

$46.30

1pc New Advantech Usb 4718 Thermocouple Acquisition Card

1pc New Advantech

1pc New Advantech Usb 4718 Thermocouple Acquisition Card

$359.98

Brand New Velleman Sa 28 12800 8 Channel Usb Relay Card

Brand New Velleman

Brand New Velleman Sa 28 12800 8 Channel Usb Relay Card

$118.96

Kmtronic Usb 2 Relay Controller Rs232 Serial Controlled Box Din Rail

Kmtronic Usb 2

Kmtronic Usb 2 Relay Controller Rs232 Serial Controlled Box Din Rail

$33.30

1pc New Ni Usb 6008 Data Acquisition Card

1pc New Ni

1pc New Ni Usb 6008 Data Acquisition Card

$267.00

Measurement Computing Usb erb08 8 Channel Electromechanical Relay T121354

Measurement Computing Usb

Measurement Computing Usb erb08 8 Channel Electromechanical Relay T121354

$199.00

1pcs Ni Usb 6501

1pcs Ni Usb

1pcs Ni Usb 6501

$203.00

Measurement Computing Usb erb24 Relay Board

Measurement Computing Usb

Measurement Computing Usb erb24 Relay Board

$250.00

Kemo M162 Usb Relay Card Made In Germany

Kemo M162 Usb

Kemo M162 Usb Relay Card Made In Germany

$74.88

New National Instruments Usb 6525 Digital I o Relay Card 8ch Ssr 8ch Di

New National Instruments

New National Instruments Usb 6525 Digital I o Relay Card 8ch Ssr 8ch Di

$249.00

8 Channel Usb wireless Relay Module tosr08 xbee Bluetooth Wifi Extension

8 Channel Usb

8 Channel Usb wireless Relay Module tosr08 xbee Bluetooth Wifi Extension

$46.99