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    Home > Arduino & SCM Supplies > Relays

    Relays (131)

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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


    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...

    € 4.31


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

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    € 2.75


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

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

    € 2.22


    Relays
    5V Two-way Relay Module with Optocoupler Protection

    5V Two-way Relay Module with Optocoupler Protection

    € 3.61   € 3.09


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

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

    € 2.98   € 2.63


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

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

    € 2.33


    (1 Review)
    Relays
    1-Channel 5V 30A High-Power Relay Module for Arduino

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

    € 5.9   € 4.56


    (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

    € 11.74   € 9.81


    (1 Review)
    Relays
    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


    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)

    € 13.64   € 12.28


    (3 Reviews)
    Relays
    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 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)

    € 8.51   € 7.86


    (3 Reviews)
    Relays
    Keyes 4 Channel Relay Module for Arduino UNO R3

    Keyes 4 Channel Relay Module for Arduino UNO R3

    € 7.73


    Relays
    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


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

    5V 8-Channel Relay Module with Optocoupler Isolation

    € 5.99   € 5.54


    (1 Review)
    Relays
    1 Channel 5V 10A Relay Module - Blue

    1 Channel 5V 10A Relay Module - Blue

    € 1.88   € 1.67


    Relays
    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


    Relays
    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


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

    5V Relay Module for Arduino - Blue

    € 1.96


    (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

    € 1.86


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

    16-Channel 5V Relay Optocoupler Protection Module Board

    € 14.09   € 13.1


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

    8-Channel 5V Relay Module - Black + Blue

    € 7.02   € 6.53


    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

    € 9.3   € 7.27


    Relays
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