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    Relays (131)

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    1/6

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    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...

    4.31

    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...

    4.31

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    2.75

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

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

    2.22

    5V Two-way Relay Module with Optocoupler Protection

    5V Two-way Relay Module with Optocoupler Protection

    3.61   3.09

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

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

    2.98   2.63

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

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

    2.33

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

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

    5.9   4.56

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

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

    11.74   9.81

    OPEN-SMART Smart Socket Single Relay Module for ESP8266 ESP-01 ESP-01S ESP8285 ESP-1

    OPEN-SMART Smart Socket Single Relay Module for ESP8266 ESP-01 ESP-01S ESP8...

    2.63

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

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

    13.64   12.28

    2-Channel 12V High Level Trigger Relay Modules for Arduino (10 PCS)

    2-Channel 12V High Level Trigger Relay Modules for Arduino (10 PCS)

    25.17   23.43

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

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

    8.51   7.86

    Keyes 4 Channel Relay Module for Arduino UNO R3

    Keyes 4 Channel Relay Module for Arduino UNO R3

    7.73

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

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

    3.82   3.52

    5V 8-Channel Relay Module with Optocoupler Isolation

    5V 8-Channel Relay Module with Optocoupler Isolation

    5.99   5.54

    1 Channel 5V 10A Relay Module - Blue

    1 Channel 5V 10A Relay Module - Blue

    1.88   1.67

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

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

    6.34   5.86

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

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

    4.93   4.61

    5V Relay Module for Arduino - Blue

    5V Relay Module for Arduino - Blue

    1.96

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

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

    1.86

    16-Channel 5V Relay Optocoupler Protection Module Board

    16-Channel 5V Relay Optocoupler Protection Module Board

    14.09   13.1

    8-Channel 5V Relay Module - Black + Blue

    8-Channel 5V Relay Module - Black + Blue

    7.02   6.53

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

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

    9.3   7.27

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