This circuit controls 16 LEDs to display one by one respectively. It can control running speed as per requirement. It is best for decorating in the car or any
places.
Technical information
    # Require Power Supply 9-12VDC
    # Current consume 18-30mA
    # 16 x 5mm red LED
    # 1 pot to adjust the speed
    # LED PCB size : 3.09" x 2.1"
    # Comes with free battery holder

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