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$12.99
DSD TECH SH-UR01A USB Relay Controller For Computer And Laptop(1CH)
Amazon.com
63
$12.99
DSD TECH SH-UR01A USB Relay Controller For Computer And Laptop(1CH)
Amazon.com
$30.99
5V Relay USB Serial Control Relay Switch Module USB 4 Channel Relay Automation Industrial Control Equipment With USB C To USB A Cable 4 Way Relay
Amazon.com
$30.99
5V Relay USB Serial Control Relay Switch Module USB 4 Channel Relay Automation Industrial Control Equipment With USB C To USB A Cable 4 Way Relay
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$61.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$61.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
292
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
184
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$449.00
Digilent MCC USB-ERB24 - Electromechanical Relay USB Device, 6069-410-031
TEquipment
$449.00
Digilent MCC USB-ERB24 - Electromechanical Relay USB Device, 6069-410-031
TEquipment
$72.00
Relay/analog Combo Module: for WEG CFW300 series AC drives (PN# CFW300-IOAR)
Automation Direct
$72.00
Relay/analog Combo Module: for WEG CFW300 series AC drives (PN# CFW300-IOAR)
Automation Direct
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
$3.36
USB Serial Port Control 1 Channel Relay Module 5V 10A CH340 Overcurrent Protection Computer Command
Aliexpress
$3.36
USB Serial Port Control 1 Channel Relay Module 5V 10A CH340 Overcurrent Protection Computer Command
Aliexpress
$77.00
Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
Automation Direct
$77.00
Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
Automation Direct
$2.74
LCUS-1 /2 /4 Way Type-C/ USB-A Relay Module Electronic Converter PCB USB Intelligent Control Switch For Arduino
AliExpress
1
$2.74
LCUS-1 /2 /4 Way Type-C/ USB-A Relay Module Electronic Converter PCB USB Intelligent Control Switch For Arduino
AliExpress
$49.45
Velleman WSI8090
DigiKey
Free shipping
$49.45
Velleman WSI8090
DigiKey
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$741.00
USB-ERB24 MEASUREMENT COMPUTING - Panel Accessories & Relay/Socket Supplies
Radwell.com
$741.00
USB-ERB24 MEASUREMENT COMPUTING - Panel Accessories & Relay/Socket Supplies
Radwell.com
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1K+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$8.47
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$8.47
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
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    Shop usb relay module

    Sponsored
    About our ads
    $12.99
    DSD TECH SH-UR01A USB Relay Controller For Computer And Laptop(1CH)
    Amazon.com
    63
    $12.99
    DSD TECH SH-UR01A USB Relay Controller For Computer And Laptop(1CH)
    Amazon.com
    $30.99
    5V Relay USB Serial Control Relay Switch Module USB 4 Channel Relay Automation Industrial Control Equipment With USB C To USB A Cable 4 Way Relay
    Amazon.com
    $30.99
    5V Relay USB Serial Control Relay Switch Module USB 4 Channel Relay Automation Industrial Control Equipment With USB C To USB A Cable 4 Way Relay
    Amazon.com
    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
    Amazon.com
    138
    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
    Amazon.com
    $27.00
    USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
    東京デバイセズ
    $27.00
    USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
    東京デバイセズ
    $77.14
    USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
    東京デバイセズ
    $77.14
    USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
    東京デバイセズ
    $61.00
    Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
    Automation Direct
    $61.00
    Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
    Automation Direct
    $12.49
    ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
    Amazon.com
    292
    $12.49
    ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
    Amazon.com
    $91.00
    Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
    Automation Direct
    $91.00
    Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
    Automation Direct
    $230.00
    Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
    Automation Direct
    $230.00
    Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
    Automation Direct
    $11.29
    Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
    Amazon.com
    184
    $11.29
    Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
    Amazon.com
    $68.00
    Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
    Automation Direct
    $68.00
    Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
    Automation Direct
    $449.00
    Digilent MCC USB-ERB24 - Electromechanical Relay USB Device, 6069-410-031
    TEquipment
    $449.00
    Digilent MCC USB-ERB24 - Electromechanical Relay USB Device, 6069-410-031
    TEquipment
    $72.00
    Relay/analog Combo Module: for WEG CFW300 series AC drives (PN# CFW300-IOAR)
    Automation Direct
    $72.00
    Relay/analog Combo Module: for WEG CFW300 series AC drives (PN# CFW300-IOAR)
    Automation Direct
    $11.99
    AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
    Amazon.com
    70
    $11.99
    AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
    Amazon.com
    $3.36
    USB Serial Port Control 1 Channel Relay Module 5V 10A CH340 Overcurrent Protection Computer Command
    Aliexpress
    $3.36
    USB Serial Port Control 1 Channel Relay Module 5V 10A CH340 Overcurrent Protection Computer Command
    Aliexpress
    $77.00
    Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
    Automation Direct
    $77.00
    Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
    Automation Direct
    $2.74
    LCUS-1 /2 /4 Way Type-C/ USB-A Relay Module Electronic Converter PCB USB Intelligent Control Switch For Arduino
    AliExpress
    1
    $2.74
    LCUS-1 /2 /4 Way Type-C/ USB-A Relay Module Electronic Converter PCB USB Intelligent Control Switch For Arduino
    AliExpress
    $49.45
    Velleman WSI8090
    DigiKey
    Free shipping
    $49.45
    Velleman WSI8090
    DigiKey