Shop Relay RS232/USB

Sponsored
$22.04
8 Channel DC 12V RS232 Relay Board PC USB UART DB9 Remote Control Switch
eBay.com
Free shipping
$22.04
8 Channel DC 12V RS232 Relay Board PC USB UART DB9 Remote Control Switch
eBay.com
Free shipping
$9.37
DC 5V-12V 2 Channel RS232 Relay Module Remote Control Relay USB PC UART COM
eBay.com
$9.37
DC 5V-12V 2 Channel RS232 Relay Module Remote Control Relay USB PC UART COM
eBay.com
$8.60
CE039 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch DC 12V For Smart Home Garage Door
Aliexpress
$8.60
CE039 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch DC 12V For Smart Home Garage Door
Aliexpress
$6.99
DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
eBay.com
Free shipping
$6.99
DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
eBay.com
Free shipping
$44.96
DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
eBay.com
Free shipping
$44.96
DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
eBay.com
Free shipping
$22.99
Gearmo 16in. USB 2.0 To RS-232 Serial Converter W/LED Indicators & FTDI
Amazon.com
68
$22.99
Gearmo 16in. USB 2.0 To RS-232 Serial Converter W/LED Indicators & FTDI
Amazon.com
68
$2.24
DC 12V 24V 8Ch Optically Isolated IN USB COM Relay Module UART RS232 Serial Port Switch Board
Aliexpress
Free shipping
$2.24
DC 12V 24V 8Ch Optically Isolated IN USB COM Relay Module UART RS232 Serial Port Switch Board
Aliexpress
Free shipping
$250.00
Cytiva GE USB To RS232 Adapter 1 Ea
Sigma-Aldrich
$250.00
Cytiva GE USB To RS232 Adapter 1 Ea
Sigma-Aldrich
$74.99
Startech.Com USB To Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 , TAA (ICUSB2322I)
Amazon.com
268
Free shipping
$74.99
Startech.Com USB To Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 , TAA (ICUSB2322I)
Amazon.com
268
$9.49
N228D02 RS232 Relay Module 2 Channel DC 12V 24V 67MA PC UART Relay DB9 Switch
eBay.com
$9.49
N228D02 RS232 Relay Module 2 Channel DC 12V 24V 67MA PC UART Relay DB9 Switch
eBay.com
$22.95
12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA, GPS, Modems,
Amazon.com
90
$22.95
12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA, GPS, Modems,
Amazon.com
90
$23.00
FTDI USB-RS232-WE-1800-BT-0.0 Cable, USB To RS232 Serial, 1.8M, Wire END
Amazon.com
13
$23.00
FTDI USB-RS232-WE-1800-BT-0.0 Cable, USB To RS232 Serial, 1.8M, Wire END
Amazon.com
13
$99.99
Startech.Com 4 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub , TAA (ICUSB2324I)
Amazon.com
202
Free shipping
$99.99
Startech.Com 4 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub , TAA (ICUSB2324I)
Amazon.com
202
$12.99
OIKWAN USB To RS232, USB Female Serial Adapter With FTDI Chipset,USB 2.0 To Female DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux
Amazon.com
99
$12.99
OIKWAN USB To RS232, USB Female Serial Adapter With FTDI Chipset,USB 2.0 To Female DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux
Amazon.com
99
$16.19
Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista,
Amazon.com
558
$16.19
Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista,
Amazon.com
558
$252.47
Startech.Com 4 Port Serial Hub USB To RS232/RS485/RS422 Adapter - Industrial USB 2.0 To DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable
Amazon.com
33
Free shipping
$252.47
Startech.Com 4 Port Serial Hub USB To RS232/RS485/RS422 Adapter - Industrial USB 2.0 To DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable
Amazon.com
33
$377.56
NI 778472-01 RS232 INTERFACE USB 2.0
DigiKey
$377.56
NI 778472-01 RS232 INTERFACE USB 2.0
DigiKey
$11.99
Cablecreation USB To RS232 Adapter With PL2303 Chipset, 6.6ft USB 2.0 Male To RS232 Female DB9 Serial Converter Cable For Cashier Register, Modem,
Amazon.com
2K+
$11.99
Cablecreation USB To RS232 Adapter With PL2303 Chipset, 6.6ft USB 2.0 Male To RS232 Female DB9 Serial Converter Cable For Cashier Register, Modem,
Amazon.com
2K+
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$66.50
MOXA Uport 1110-1 Port RS-232 USB-To-Serial Converter
Amazon.com
27
Free shipping
$66.50
MOXA Uport 1110-1 Port RS-232 USB-To-Serial Converter
Amazon.com
27
$1,211.62
NI 778473-04 RS232 INTERFACE USB 2.0
DigiKey
$1,211.62
NI 778473-04 RS232 INTERFACE USB 2.0
DigiKey
$11.99
SABRENT USB 2.0 To Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 And Above] 6
Amazon.com
8K+
$11.99
SABRENT USB 2.0 To Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 And Above] 6
Amazon.com
8K+
$138.77
Doorking 1815-037 USB To RS232 Adapter | Gatehouse Supplies
GateHouse Supplies
$138.77
Doorking 1815-037 USB To RS232 Adapter | Gatehouse Supplies
GateHouse Supplies
$24.95
$27.94
RS232 To USB Adaptor Cable For Self-Contained Datalogger
MSE Supplies
10% off
$24.95
$27.94
RS232 To USB Adaptor Cable For Self-Contained Datalogger
MSE Supplies
$5.53
$7.00
DC 12V 4CH RS239 Relay Board 4 Channel DB9 Interface RS232 Remote Control Switch Module For Door Car
Aliexpress
Free shipping
20% off
$5.53
$7.00
DC 12V 4CH RS239 Relay Board 4 Channel DB9 Interface RS232 Remote Control Switch Module For Door Car
Aliexpress
Free shipping
$3.99
$10.99
USB To Serial Port Multi-Function Converter Module RS232 TTL CH340 SP232 IC Win10 For Pro Mini STM32 AVR PLC PTZ Modubs
Banggood
63% off
$3.99
$10.99
USB To Serial Port Multi-Function Converter Module RS232 TTL CH340 SP232 IC Win10 For Pro Mini STM32 AVR PLC PTZ Modubs
Banggood
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    Shop Relay RS232/USB

    Sponsored
    $22.04
    8 Channel DC 12V RS232 Relay Board PC USB UART DB9 Remote Control Switch
    eBay.com
    Free shipping
    $22.04
    8 Channel DC 12V RS232 Relay Board PC USB UART DB9 Remote Control Switch
    eBay.com
    Free shipping
    $9.37
    DC 5V-12V 2 Channel RS232 Relay Module Remote Control Relay USB PC UART COM
    eBay.com
    $9.37
    DC 5V-12V 2 Channel RS232 Relay Module Remote Control Relay USB PC UART COM
    eBay.com
    $8.60
    CE039 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch DC 12V For Smart Home Garage Door
    Aliexpress
    $8.60
    CE039 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch DC 12V For Smart Home Garage Door
    Aliexpress
    $6.99
    DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
    eBay.com
    Free shipping
    $6.99
    DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
    eBay.com
    Free shipping
    $44.96
    DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
    eBay.com
    Free shipping
    $44.96
    DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor
    eBay.com
    Free shipping
    $22.99
    Gearmo 16in. USB 2.0 To RS-232 Serial Converter W/LED Indicators & FTDI
    Amazon.com
    68
    $22.99
    Gearmo 16in. USB 2.0 To RS-232 Serial Converter W/LED Indicators & FTDI
    Amazon.com
    68
    $2.24
    DC 12V 24V 8Ch Optically Isolated IN USB COM Relay Module UART RS232 Serial Port Switch Board
    Aliexpress
    Free shipping
    $2.24
    DC 12V 24V 8Ch Optically Isolated IN USB COM Relay Module UART RS232 Serial Port Switch Board
    Aliexpress
    Free shipping
    $250.00
    Cytiva GE USB To RS232 Adapter 1 Ea
    Sigma-Aldrich
    $250.00
    Cytiva GE USB To RS232 Adapter 1 Ea
    Sigma-Aldrich
    $74.99
    Startech.Com USB To Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 , TAA (ICUSB2322I)
    Amazon.com
    268
    Free shipping
    $74.99
    Startech.Com USB To Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 , TAA (ICUSB2322I)
    Amazon.com
    268
    $9.49
    N228D02 RS232 Relay Module 2 Channel DC 12V 24V 67MA PC UART Relay DB9 Switch
    eBay.com
    $9.49
    N228D02 RS232 Relay Module 2 Channel DC 12V 24V 67MA PC UART Relay DB9 Switch
    eBay.com
    $22.95
    12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA, GPS, Modems,
    Amazon.com
    90
    $22.95
    12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA, GPS, Modems,
    Amazon.com
    90
    $23.00
    FTDI USB-RS232-WE-1800-BT-0.0 Cable, USB To RS232 Serial, 1.8M, Wire END
    Amazon.com
    13
    $23.00
    FTDI USB-RS232-WE-1800-BT-0.0 Cable, USB To RS232 Serial, 1.8M, Wire END
    Amazon.com
    13
    $99.99
    Startech.Com 4 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub , TAA (ICUSB2324I)
    Amazon.com
    202
    Free shipping
    $99.99
    Startech.Com 4 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub , TAA (ICUSB2324I)
    Amazon.com
    202
    $12.99
    OIKWAN USB To RS232, USB Female Serial Adapter With FTDI Chipset,USB 2.0 To Female DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux
    Amazon.com
    99
    $12.99
    OIKWAN USB To RS232, USB Female Serial Adapter With FTDI Chipset,USB 2.0 To Female DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux
    Amazon.com
    99
    $16.19
    Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista,
    Amazon.com
    558
    $16.19
    Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista,
    Amazon.com
    558
    $252.47
    Startech.Com 4 Port Serial Hub USB To RS232/RS485/RS422 Adapter - Industrial USB 2.0 To DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable
    Amazon.com
    33
    Free shipping
    $252.47
    Startech.Com 4 Port Serial Hub USB To RS232/RS485/RS422 Adapter - Industrial USB 2.0 To DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable
    Amazon.com
    33
    $377.56
    NI 778472-01 RS232 INTERFACE USB 2.0
    DigiKey
    $377.56
    NI 778472-01 RS232 INTERFACE USB 2.0
    DigiKey
    $11.99
    Cablecreation USB To RS232 Adapter With PL2303 Chipset, 6.6ft USB 2.0 Male To RS232 Female DB9 Serial Converter Cable For Cashier Register, Modem,
    Amazon.com
    2K+
    $11.99
    Cablecreation USB To RS232 Adapter With PL2303 Chipset, 6.6ft USB 2.0 Male To RS232 Female DB9 Serial Converter Cable For Cashier Register, Modem,
    Amazon.com
    2K+

    • Usb Rs232 Relay | Usb Rs232 Relay Sold Direct

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