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    3. 1 channel 5V 12V relay module with optocoupler isolation relay single-chip microcomputer expansion board low level trigger

    1 channel 5V 12V relay module with optocoupler isolation relay single-chip microcomputer expansion board low level trigger

    5.0 (6) 5.0 6
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    • product_attribute_6920c5e4845db4da6baca117
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    Supplier Info Products specifications Description Reviews (6) 5.0 Category Insights
    Products specifications Description Reviews (6) 5.0 Category Insights

    Supplier info

    Returning Customers
    47%
    Overall Service
    4
    Product Accuracy
    3.6

    Product specifications

    Brand:
    Hengheng
    Applicable products:
    1
    Specifications:
    1 channel 5v
    1 channel 12v

    Description

    1CH 5V 12V Relay Module with Optocoupler Isolation Relay MCU Expansion Board Low Level Triggering
    Picture of 1 channel 5V 12V relay module with optocoupler isolation relay single-chip microcomputer expansion board low level trigger

    Reviews

    Reviews (6) 5.0
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    November 06, 2025 0 0
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    May 20, 2025 0 0