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    Home > Arduino & SCM Supplies > Relays

    Relays (131)

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

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

    € 5.46   € 4.22


    (2 Reviews)
    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...

    € 2.44


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

    Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

    € 2.54


    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)

    € 12.63   € 11.36


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

    Keyes 4 Channel Relay Module for Arduino UNO R3

    € 7.15


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

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

    € 3.53   € 3.25


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

    5V 8-Channel Relay Module with Optocoupler Isolation

    € 5.55   € 4.89


    (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

    € 5.86   € 5.42


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

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

    € 4.56   € 4.27


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

    5V Relay Module for Arduino - Blue

    € 1.81


    (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

    € 1.72


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

    16-Channel 5V Relay Optocoupler Protection Module Board

    € 13.04   € 12.13


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

    8-Channel 5V Relay Module - Black + Blue

    € 6.5   € 6.04


    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

    € 8.6   € 6.73


    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

    € 3.12   € 2.53


    (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

    € 3.6   € 2.82


    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

    € 6.98   € 5.81


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

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

    € 2.94


    (1 Review)
    Relays
    Keyestudio Four Channel 5V Relay Module Relay Shield for Arduino

    Keyestudio Four Channel 5V Relay Module Relay Shield for Arduino

    € 4.72   € 4.29


    (1 Review)
    Relays
    Produino New Light Photoresisto Relay Module for Arduino (Works with Official Arduino Boards)

    Produino New Light Photoresisto Relay Module for Arduino (Works with Offici...

    € 3.24   € 2.94


    Relays
    4 Channel Relay Module Programmable w/ RS485 STM8S103F3

    4 Channel Relay Module Programmable w/ RS485 STM8S103F3

    € 9.64   € 8.69


    Relays
    5V Eight 8-CH Relay Module w/ Optocoupler for Arduino PIC AVR DSP ARM

    5V Eight 8-CH Relay Module w/ Optocoupler for Arduino PIC AVR DSP ARM

    € 8.12   € 6.28


    (1 Review)
    Relays
    New 2-Channel 5V High Level Dual Power Relay Module - Red + Blue

    New 2-Channel 5V High Level Dual Power Relay Module - Red + Blue

    € 5.88   € 4.89


    Relays
    2-Channel 12V Low Level Dual Power Relay Module - Red + Blue

    2-Channel 12V Low Level Dual Power Relay Module - Red + Blue

    € 5.88   € 4.07


    Relays
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