4 Channel Relay Module and 12V DC Power

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$8.99

Sainsmart 4-Channel Relay Module

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427

$8.99

Sainsmart 4-Channel Relay Module

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427

$19.83

MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)

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$19.83

MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)

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$7.99

Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation

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$7.99

Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation

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$7.65

Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)

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$7.65

Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)

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$24.06

AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car

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$24.06

AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car

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$169.99

SR504-4 Switching Relaysr-504-44 Channel Relay Module

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$169.99

SR504-4 Switching Relaysr-504-44 Channel Relay Module

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$17.99

DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home

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$17.99

DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home

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$15.99

Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating

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198

$15.99

Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating

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198

$17.68

4 Channel Relay Module DC 6-24V For Automotive Motor LED Control

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$17.68

4 Channel Relay Module DC 6-24V For Automotive Motor LED Control

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$18.99

NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,

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$18.99

NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,

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$18.99

GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)

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GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)

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$19.99

DC 12V Power Supply Adapter 5A 4 Channel Din-Rail Mounting Distribution Power For CCTV Security Camera With PTC Fuse [UL Listed] By CENTROPOWER

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102

$19.99

DC 12V Power Supply Adapter 5A 4 Channel Din-Rail Mounting Distribution Power For CCTV Security Camera With PTC Fuse [UL Listed] By CENTROPOWER

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102

$18.99

4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC

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$18.99

4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC

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$29.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)

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$29.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)

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$14.99

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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$14.99

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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$11.99

4 Channel Relay Module - Progressive Automations

Progressive Automations

$11.99

4 Channel Relay Module - Progressive Automations

Progressive Automations

$9.99

4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi

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$9.99

4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi

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$7.99

Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control

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103

$7.99

Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control

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103

$17.99

EVERSECU 4 Channel CCTV Camera Power Supply 5 Amp Distribution Power Supply 90V-264VAC Input To 12V-13.8VDC Output Security Camera Power Adapter With

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183

$17.99

EVERSECU 4 Channel CCTV Camera Power Supply 5 Amp Distribution Power Supply 90V-264VAC Input To 12V-13.8VDC Output Security Camera Power Adapter With

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183

$9.99

4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse

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$9.99

4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse

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$20.99

$31.17

433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote

LightInTheBox

32% off

$20.99

$31.17

433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote

LightInTheBox

$11.29

Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino

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205

$11.29

Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino

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205

$13.99

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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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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$12.99

Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars

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Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars

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$7.99

NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (12V To 5V)

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NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (12V To 5V)

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$121.00

Securitron Securitron RB-4-12 Relay Board (12VDC)

Keyless Access Locks

$121.00

Securitron Securitron RB-4-12 Relay Board (12VDC)

Keyless Access Locks

$16.99

KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino

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$16.99

KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino

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$2.85

5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay

Aliexpress

$2.85

5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay

Aliexpress

$4.55

$5.69

DC 5V/12V/24V 4 Channel 30A Output Relay Module High And Low Level Trigger Relay Module For Home PLC

Aliexpress

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$4.55

$5.69

DC 5V/12V/24V 4 Channel 30A Output Relay Module High And Low Level Trigger Relay Module For Home PLC

Aliexpress

$9.99

NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)

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$9.99

NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)

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$1.55

$1.94

4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With

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$1.55

$1.94

4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With

Aliexpress

$57.99

Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,

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$57.99

Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,

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$7.61

$12.08

GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC

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$7.61

$12.08

GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC

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$7.85

4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With

Aliexpress

$7.85

4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With

Aliexpress

$2.99

DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module

Banggood

$2.99

DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module

Banggood

$9.99

2Pcs F80B-14B192-AA 12VDC 70A 4-Pin Automotive Power Relay - High-Current Relay Compatible With V23136-J4-X89, DH22-14B192-EA, V23136-J4-X62, 5M5T-

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$9.99

2Pcs F80B-14B192-AA 12VDC 70A 4-Pin Automotive Power Relay - High-Current Relay Compatible With V23136-J4-X89, DH22-14B192-EA, V23136-J4-X62, 5M5T-

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SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AV…

4 viewsMay 6, 2018

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Connecting a 12V Relay to Arduino

665.2K viewsJan 18, 2009

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