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    PING Ultrasonic Distance Sensor

    Our PING)))™ ultrasonic sensor provides an easy method of distance measurement. This sensor is perfect for any number of applications that require you to perform measurements between moving or stationary objects. Interfacing to a microcontroller is a snap. A single I/O pin is used to trigger an ultrasonic burst (well above human hearing) and then "listen" for the echo return pulse. The sensor measures the time required for the echo return, and returns this value to the microcontroller as a variable-width pulse via the same I/O pin.

    MFR Part #: 40237
    $29.99
    Availability: 3 in stock

    Key Features:

    • Provides precise, non-contact distance measurements within a 2 cm to 3 m range
    • Ultrasonic measurements work in any lighting condition, making this a good choice to supplement infrared object detectors
    • Simple pulse in/pulse out communication requires just one I/O pin
    • Burst indicator LED shows measurement in progress
    • 3-pin header makes it easy to connect to a development board, directly or with an extension cable, no soldering required

    Application Ideas:

    • Security systems
    • Interactive animated exhibits
    • Parking assistant systems
    • Robotic navigation
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    Key Features:

    • Provides precise, non-contact distance measurements within a 2 cm to 3 m range
    • Ultrasonic measurements work in any lighting condition, making this a good choice to supplement infrared object detectors
    • Simple pulse in/pulse out communication requires just one I/O pin
    • Burst indicator LED shows measurement in progress
    • 3-pin header makes it easy to connect to a development board, directly or with an extension cable, no soldering required

    Application Ideas:

    • Security systems
    • Interactive animated exhibits
    • Parking assistant systems
    • Robotic navigation
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    The IR Distance Sensor GP2Y0A21YK0F uses a beam of infrared light to reflect off an object to measure its distance. Because it uses triangulation of the beam of light to calculate the distance, it is able to provide consistent and reliable readings which are less sensitive to temperature variation or the object’s reflectivity. The sensor outputs an analog voltage corresponding to the distance of the object, and can easily be read using an inexpensive analog to digital converter (ADC) chip.

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