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  • DC 5V 9V 12V 24V Sound Sensor / Light Control Delay Turn off Switch Relay Module

    • Item No : 254604776607
    • Condition : New
    • Brand : Relay module
    • Seller : bee_studio
    • Current Bid : US $7.31
    • * Item Description

    • 2: stop trigger, the sensor can sense all sound, the output relay, the relay will be the sound of Kaka, will trigger module solutions: (1) away from the sensor relays (sensor wear 20cm line for longer self lengthened); (2) the sensitivity down a little, the sound of the relay can be filtered out.
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