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$15.99

Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays

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$15.99

Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays

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$47.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)

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Free shipping

$47.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)

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$42.68

Generic 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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$42.68

Generic 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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$27.09

MTDELE 8 Pcs DC 5V Relay 1 Channel Module With Optocoupler Isolation Support High And Low Level Trigger (5V Relay)

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$27.09

MTDELE 8 Pcs DC 5V Relay 1 Channel Module With Optocoupler Isolation Support High And Low Level Trigger (5V Relay)

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$38.18

Kuvanspok 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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$38.18

Kuvanspok 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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$20.85

Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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1K+

$20.85

Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

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$25.51

Hibctr 2PCS 5V 30A Single Channel Relay Module - Optocoupler Isolation High/Low Level Trigger For Industrial Control, AC 250V/DC 30V

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$25.51

Hibctr 2PCS 5V 30A Single Channel Relay Module - Optocoupler Isolation High/Low Level Trigger For Industrial Control, AC 250V/DC 30V

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$22.01

Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM

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$22.01

Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM

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$31.06

ACEIRMC 10Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (5V)

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$31.06

ACEIRMC 10Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (5V)

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$30.32

AEDIKO 10Pcs DC 5V Relay Module 1 Channel Relay Switch Relay Board With Optocoupler Isolation Support High Or Low Level Trigger

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254

$30.32

AEDIKO 10Pcs DC 5V Relay Module 1 Channel Relay Switch Relay Board With Optocoupler Isolation Support High Or Low Level Trigger

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$20.02

AEDIKO 4Pcs DC 5V Relay Module 1 Channel Relay Switch Relay Board With Optocoupler Isolation Support High Or Low Level Trigger

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286

$20.02

AEDIKO 4Pcs DC 5V Relay Module 1 Channel Relay Switch Relay Board With Optocoupler Isolation Support High Or Low Level Trigger

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$29.94

ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (5, 5V Relay 6 Channel)

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352

$29.94

ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (5, 5V Relay 6 Channel)

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$31.09

Hutomwua Relay Module,5V + 12V One Channel Relay Module With Optocoupler Isolation High/Low Level Trigger 2Pcs

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$31.09

Hutomwua Relay Module,5V + 12V One Channel Relay Module With Optocoupler Isolation High/Low Level Trigger 2Pcs

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$29.09

Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger

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$29.09

Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger

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$26.60

LAOMAO 5V 1-Channel Relay Module, 250VAC/10A, Optocoupler Isolation, High/Low Level Trip, Compatible With Arduino, Raspberry Pi, SPS, Smart Home &

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$26.60

LAOMAO 5V 1-Channel Relay Module, 250VAC/10A, Optocoupler Isolation, High/Low Level Trip, Compatible With Arduino, Raspberry Pi, SPS, Smart Home &

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$11.99

Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi USA

SainSmart.com

$11.99

Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi USA

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$25.38

AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR

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130

$25.38

AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR

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$12.99

8-Channel 5V Relay Module For Arduino Raspberry Pi Canada

SainSmart.com

$12.99

8-Channel 5V Relay Module For Arduino Raspberry Pi Canada

SainSmart.com

$27.09

ATNSINC 1 Channel 5V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (5V)

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$27.09

ATNSINC 1 Channel 5V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (5V)

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$37.03

DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment

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$37.03

DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment

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$32.38

Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10

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381

$32.38

Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10

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$36.95

Innfeeltech 1Pcs DC 5V Relay Module 6 Channel Relay With Optocoupler High Or Low Level Trigger Expansion Board

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$36.95

Innfeeltech 1Pcs DC 5V Relay Module 6 Channel Relay With Optocoupler High Or Low Level Trigger Expansion Board

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$25.52

TAODAN 4PCS 5V Single Channel Relay Module With Optocoupler Isolation, 2NO 2NC Contacts, 10A Switching Current, 12V Operation, Manual Mode

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$25.52

TAODAN 4PCS 5V Single Channel Relay Module With Optocoupler Isolation, 2NO 2NC Contacts, 10A Switching Current, 12V Operation, Manual Mode

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$29.09

Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi

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$29.09

Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi

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$119.81

Hiletgo 2Pcs Per. Package. 5V 1 Channel Relay Module. Total 49 Packages, Or 98 U

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$119.81

Hiletgo 2Pcs Per. Package. 5V 1 Channel Relay Module. Total 49 Packages, Or 98 U

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$33.20

Sourcing Map 6 Pcs DC 5V 1 Channel Relay Module High Or Low Level Trigger For Electronics Industrial Home Automation

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$33.20

Sourcing Map 6 Pcs DC 5V 1 Channel Relay Module High Or Low Level Trigger For Electronics Industrial Home Automation

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$23.65

Hilitand Relay Module, High Low Trigger 5V/12V/24V, Single Channel, Optocoupler, 10A, Screw Connector, Mount, Normally Closed

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$23.65

Hilitand Relay Module, High Low Trigger 5V/12V/24V, Single Channel, Optocoupler, 10A, Screw Connector, Mount, Normally Closed

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$34.44

XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)

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$34.44

XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)

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$14.99

Sainsmart 4-Channel 5V USB Relay Module For Automation Robotics USA

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$14.99

Sainsmart 4-Channel 5V USB Relay Module For Automation Robotics USA

SainSmart.com

$31.39

Gebildet Pack Of 2 DC 5V 2 Channel Relay Module Boards Shield With Optocoupler Isolation, Supports High Or Low Level Compatible Development Board

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$31.39

Gebildet Pack Of 2 DC 5V 2 Channel Relay Module Boards Shield With Optocoupler Isolation, Supports High Or Low Level Compatible Development Board

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$22.41

Unbranded 5V Relay Module, Compact And Easy To Connect

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$22.41

Unbranded 5V Relay Module, Compact And Easy To Connect

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$92.29

IJPDXOLBQ 1Pcs Dc 5V 12V 24V 1/2/4/6/8 Channel Relay Module With Optocoupler Support Low Lever Trigger(Color:8 Channels 12V)

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$92.29

IJPDXOLBQ 1Pcs Dc 5V 12V 24V 1/2/4/6/8 Channel Relay Module With Optocoupler Support Low Lever Trigger(Color:8 Channels 12V)

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$25.54

AEDIKO 2Pcs Relay Module DC 5V 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger

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$25.54

AEDIKO 2Pcs Relay Module DC 5V 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger

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$23.82

Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V

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$23.82

Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V

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$39.02

AOICRIE 4Pcs 4 Channel DC 5V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Expansion Board For Raspberry Pi

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$39.02

AOICRIE 4Pcs 4 Channel DC 5V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Expansion Board For Raspberry Pi

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$68.02

JVOZBZMWZ 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module 1Pcs (Color : 24V, Size : 1 Way)

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$68.02

JVOZBZMWZ 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module 1Pcs (Color : 24V, Size : 1 Way)

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How to Set Up a 5V Relay on the Arduino

Nov 28, 2015

circuitbasics.com

Using a 5 Volt Mechanical Relay

8.6K viewsOct 1, 2020

instructables.com