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    Home > Arduino & SCM Supplies > Relays

    Relays (130)

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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


    (2 Reviews)
    Relays
    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


    (1 Review)
    Relays
    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


    Relays
    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


    Relays
    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    € 2.69


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

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

    € 2.17


    Relays
    5V Two-way Relay Module with Optocoupler Protection

    5V Two-way Relay Module with Optocoupler Protection

    € 3.53   € 3.03


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

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

    € 2.91   € 2.58


    Relays
    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


    (3 Reviews)
    Relays
    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


    (3 Reviews)
    Relays
    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


    (3 Reviews)
    Relays
    5V 8-Channel Relay Module with Optocoupler Isolation

    5V 8-Channel Relay Module with Optocoupler Isolation

    € 5.86   € 5.42


    (1 Review)
    Relays
    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


    Relays
    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


    (1 Review)
    Relays
    5V Relay Module for Arduino - Blue

    5V Relay Module for Arduino - Blue

    € 1.91


    (5 Reviews)
    Relays
    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


    (3 Reviews)
    Relays
    16-Channel 5V Relay Optocoupler Protection Module Board

    16-Channel 5V Relay Optocoupler Protection Module Board

    € 13.78   € 12.82


    (2 Reviews)
    Relays
    8-Channel 5V Relay Module - Black + Blue

    8-Channel 5V Relay Module - Black + Blue

    € 6.87   € 6.39


    Relays
    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


    Relays
    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


    (1 Review)
    Relays
    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


    Relays
    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


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

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

    € 2.28


    (1 Review)
    Relays
    12V 5mA 2-Channel Relay Module With Optocoupler Isolation - Red + Blue

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

    € 3.11


    (1 Review)
    Relays
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