AI Sound Module with motion direction detect

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    SKU : CMNB03-02
    Quantity on Hand : 10
    Skill Level : Assembled and Tested

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    Description: CMNB03-02 is a member of AI modules that is capable to detect motion direction, from left to right or from right to left. It has a built-in voice recording and playback function. It will playback a prerecorded message according to motion direction detected. It is good for interactive toys, gadgets, and smart audio playback devices.

    Features:

    • Small in size: 30×25mm, easy to install
    • Built-in digital microphone for message recording
    • Built-in audio amp for power speaker output
    • Playback message when motion detect
    • Message can be defined for a different direction
    • Battery operation

    Operation

    1. There is a 3-position slide switch for mode select

    2. At the off position, it will turn off the power supply to the module.

    3. A position, play message A when movement is from left to right, play message B when movement is from right to left.

    4. At B position, play message B when movement is from left to right, play message A when movement is from right to left.

    5. To record a message “A”, press the REC button, slide switch to one end, release and press again the button, speak to the module. Release button when recording finished. The same, press the REC button and slide switch to the other end for record message “B”. The duration of the message has been set at 10sec. (length of recording can be set on OEM base)

    6. LED to indicate power status as well as motion detect

    Application Note

    • This module has been designed for motion direction detection. Below are some hints for playing.

      • The detection distance is set at about 50cm to 100cm.

      • A strong too dark environment is not good for detection.

      • Always place module at the level of people’s chest, no good for overhead detects.

      • Power can be lithium batteries or alkaline AAx4. Suggest to use DC5V for long time operation

    • Mode select can use onboard slide switch or external switch by using J7. When using an external switch, please use external DC power instead, no need for power connected to J1.

    • For audio recording, an external key switch is needed. Refer to the schematic below. LED is an option for external output. This LED is in parallel to D2 on the module, which is to indicate face detected.

     
     

    Example of the CMNB03

    Here is a quick example of the AI sound module that we currently carry. If you need any help determining which one to purchase, please feel free to contact us. Have a nice day! 

    Documentation and Downloads


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