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3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board

4.5
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$3.99 /$4.87
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    Description:

    Trigger mode: High level
    5V relay module
    Can be used for microcontroller development board module or home appliance control
    5V - 12V TTL control signal
    Can control DC or AC signal, also 220V AC load
    Normally open / closed contact
    Power indicator
    Controlled lights bright when pull and not shine when disconnect
    Increase the transistor drive relay coils, control pins high impedance
    Control pins have pull down circuit to prevent malfunction of relay vacant

    Package included:

    3 x 5V 1 channel relay module





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