Channel Relay Controller

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$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

$12.45

$14.39

RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems

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13% off

$12.45

$14.39

RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems

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$12.49

ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)

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356

$12.49

ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)

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356

$15.55

4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation

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$15.55

4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation

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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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$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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$30.15

Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,

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$30.15

Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,

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$5.89

Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger

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377

$5.89

Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger

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377

$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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138

$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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138

$30.10

9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching

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$30.10

9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching

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$9.00

4 Channel Relay Module Switch Module ESP-8266 (12V)

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$9.00

4 Channel Relay Module Switch Module ESP-8266 (12V)

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$13.99

NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller

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$13.99

NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller

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$30.02

DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay

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Free shipping

$30.02

DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay

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Free shipping

$16.99

4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)

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$16.99

4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)

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$9.99

1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)

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$9.99

1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)

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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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$17.95

JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5

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$17.95

JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5

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$22.99

GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)

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117

$22.99

GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)

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117

$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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$2.50

$2.69

1 Channel 20A Relay Control Module High/Low Level 1Ch Controller 5V For R3 Raspberry Pi For Arduino

Aliexpress

$2.50

$2.69

1 Channel 20A Relay Control Module High/Low Level 1Ch Controller 5V For R3 Raspberry Pi For Arduino

Aliexpress

$12.29

Ziaoou One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply For Home Appliance Accessories

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Free shipping

$12.29

Ziaoou One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply For Home Appliance Accessories

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Free shipping

$2.69

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)

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$2.69

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)

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$25.99

433Mhz 12V 24V DC 6 Channel Wireless Remote Control Relay Switch 24V/12V Remote Relay ON Off Transmitter And Receiver Universal Motor Light Door

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$25.99

433Mhz 12V 24V DC 6 Channel Wireless Remote Control Relay Switch 24V/12V Remote Relay ON Off Transmitter And Receiver Universal Motor Light Door

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$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+

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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+

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1K+

$36.98

NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler

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Free shipping

$36.98

NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler

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$10.37

1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller

Aliexpress

$10.37

1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller

Aliexpress

$21.72

Famus 12V 8-Channel DB9 RS 232 Relay Module Remote Control Switch Smart Home

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Free shipping

$21.72

Famus 12V 8-Channel DB9 RS 232 Relay Module Remote Control Switch Smart Home

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Free shipping

$5.00

5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)

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$5.00

5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)

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$46.36

$50.39

6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC

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Free shipping

$46.36

$50.39

6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC

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Free shipping

$9.50

Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED

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$9.50

Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED

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$6.88

DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino

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$6.88

DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino

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$10.97

8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board

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102

$10.97

8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board

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102

$6.97

JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control

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$6.97

JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control

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$8.48

Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)

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$8.48

Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)

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$19.99

Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V

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$19.99

Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V

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$4.06

1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V

Aliexpress

$4.06

1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V

Aliexpress

$33.99

PLC Programmable Logic Controller Relay Output Module FX1N-14MR Motor Controller DC Panel PLC Controller Industrial Control Board

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Free shipping

$33.99

PLC Programmable Logic Controller Relay Output Module FX1N-14MR Motor Controller DC Panel PLC Controller Industrial Control Board

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Free shipping