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  1. DC 12V Normally Open PLC NO Time Delay Relay Module PCB Board

    DC 12V Normally Open PLC NO Time Delay Relay Module PCB Board

    $12.64

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  2. DC 24V 8CH Optocoupler Driver High Low Level Trigger Relay Module Board Red

    DC 24V 8CH Optocoupler Driver High Low Level Trigger Relay Module Board Red

    $26.10

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  3. 1 Channel Magnetic Sensor Relay Module w Black Reed Door Contact Switch

    1 Channel Magnetic Sensor Relay Module w Black Reed Door Contact Switch

    $11.00

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  4. DC 5V 2 Channel Relay Module Optocoupler for PIC AVR DSP ARM Arduino

    DC 5V 2 Channel Relay Module Optocoupler for PIC AVR DSP ARM Arduino

    $4.68

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  5. DC 5V 2 Channel Fire Firelight Detection Flame Sensor Relay Module

    DC 5V 2 Channel Fire Firelight Detection Flame Sensor Relay Module

    $12.94

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  6. 12V DC Normal Open Triggered Delay Circuit Relay Module FC-31 for Arduino

    12V DC Normal Open Triggered Delay Circuit Relay Module FC-31 for Arduino

    $13.96

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  7. 12V Circulate Time Relay Module Control Board SRD-12VDC-SL-C for Arduino

    12V Circulate Time Relay Module Control Board SRD-12VDC-SL-C for Arduino

    $11.43

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  8. Red 1 Channel 1CH H/L Level Trigger Optocoupler Relay Module DC 24V

    Red 1 Channel 1CH H/L Level Trigger Optocoupler Relay Module DC 24V

    $4.74

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  9. Single Channel High Level Trigger PLC Power Relay Module DC5V

    Single Channel High Level Trigger PLC Power Relay Module DC5V

    $4.24

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  10. SRD-12VDC-SL-A Single Channel 8-20s Time Delay Module DC 12V for Arduino

    SRD-12VDC-SL-A Single Channel 8-20s Time Delay Module DC 12V for Arduino

    $14.18

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