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    Relays (130)

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    1/6

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    1-Channel 5V 30A High-Power Relay Module for Arduino

    1-Channel 5V 30A High-Power Relay Module for Arduino

    5.78   4.46

    8-Channel 12V Relay Module W/ Optocoupler for Arduino - Red + Blue

    8-Channel 12V Relay Module W/ Optocoupler for Arduino - Red + Blue

    11.48   9.59

    Geekworm 1 Channel 5V 30A LED Indicator Relay Module with Optocoupler Isolation High & low Level Trigger

    Geekworm 1 Channel 5V 30A LED Indicator Relay Module with Optocoupler Isola...

    4.22

    Geekworm 1 Channel 12V 30A LED Indicator Relay Module with Optocoupler Isolation High & low Level Trigger

    Geekworm 1 Channel 12V 30A LED Indicator Relay Module with Optocoupler Isol...

    4.22

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    2.69

    5V Low-Level Trigger 1-Way Relay Expansion Board Module

    5V Low-Level Trigger 1-Way Relay Expansion Board Module

    2.17

    5V Two-way Relay Module with Optocoupler Protection

    5V Two-way Relay Module with Optocoupler Protection

    3.53   3.03

    One-Way 5V Relay Expansion Board Module with Optocoupler Isolation

    One-Way 5V Relay Expansion Board Module with Optocoupler Isolation

    2.91   2.58

    2-Channel 12V High Level Trigger Relay Modules for Arduino (5 PCS)

    2-Channel 12V High Level Trigger Relay Modules for Arduino (5 PCS)

    13.34   12.01

    2-Channel 12V High Level Trigger Relay Modules for Arduino (3 PCS)

    2-Channel 12V High Level Trigger Relay Modules for Arduino (3 PCS)

    8.33   7.69

    4-Channel 5V 12V Relay Module w/ Optocoupler - Blue (Expanded Version)

    4-Channel 5V 12V Relay Module w/ Optocoupler - Blue (Expanded Version)

    3.73   3.44

    5V 8-Channel Relay Module with Optocoupler Isolation

    5V 8-Channel Relay Module with Optocoupler Isolation

    5.86   5.42

    DIY 8 Channel 12V Relay Module with Optocoupler PLC Relay Controller

    DIY 8 Channel 12V Relay Module with Optocoupler PLC Relay Controller

    6.2   5.73

    4-Channel 5V Opto-isolator Relay Module High Level Trigger - Blue

    4-Channel 5V Opto-isolator Relay Module High Level Trigger - Blue

    4.82   4.51

    5V Relay Module for Arduino - Blue

    5V Relay Module for Arduino - Blue

    1.91

    PLC High Level DC 5V One Channel Relay Module for PIC ARM

    PLC High Level DC 5V One Channel Relay Module for PIC ARM

    1.82

    16-Channel 5V Relay Optocoupler Protection Module Board

    16-Channel 5V Relay Optocoupler Protection Module Board

    13.78   12.82

    8-Channel 5V Relay Module - Black + Blue

    8-Channel 5V Relay Module - Black + Blue

    6.87   6.39

    Solid State High Level 4 Channel 5V DC Relay Module - Black + Blue

    Solid State High Level 4 Channel 5V DC Relay Module - Black + Blue

    9.09   7.11

    DC 12V Delay Relay Shield NE555 Timer Switch Adjustable Module 0~10S

    DC 12V Delay Relay Shield NE555 Timer Switch Adjustable Module 0~10S

    3.3   2.67

    Wide Voltage 5V~30V Trigger Delay Relay Module Timer Module - Blue

    Wide Voltage 5V~30V Trigger Delay Relay Module Timer Module - Blue

    3.81   2.98

    12V 8-CH Relay Module w/ Optocoupler for Arduino / Raspberry Pi - Blue

    12V 8-CH Relay Module w/ Optocoupler for Arduino / Raspberry Pi - Blue

    7.38   6.14

    12V 3mA 1-Channel Low Level Trigger Relay Module - Blue

    12V 3mA 1-Channel Low Level Trigger Relay Module - Blue

    2.28

    12V 5mA 2-Channel Relay Module With Optocoupler Isolation - Red + Blue

    12V 5mA 2-Channel Relay Module With Optocoupler Isolation - Red + Blue

    3.11

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