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Grove - Ultrasonic Distance Sensor

₱ 260.00 ₱ 260.00

Grove - Ultrasonic Distance Sensor

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The Grove - Ultrasonic Distance Sensor is an ultrasonic transducer that utilizes ultrasonic waves to measures distance. It can measure from 3cm to 350cm with an accuracy of up to 2mm.

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₱ 260.00 ₱ 260.00 260.0 PHP

₱ 260.00

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    Seeed Studio

    Seeed has been serving the global developer community since 2008, by providing open technology and agile manufacturing services, with the mission to make hardware more accessible and lower the threshold for hardware innovation. With Shenzhen’s vast resources, and trusted technology and distribution partners around the world, Seeed strives to be the most integrated platform for creating hardware solutions for IoT, edge AI applications.


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    The Grove - Ultrasonic Distance Sensor is an ultrasonic transducer that utilizes ultrasonic waves to measures distance. It can measure from 3cm to 350cm with an accuracy of up to 2mm.  It is a perfect ultrasonic module for distance measurement, proximity sensors, and ultrasonic detectors. 

     

    This module has an ultrasonic transmitter and an ultrasonic receiver so you can consider it as an ultrasonic transceiver. Familiar with sonar, when the 40KHz ultrasonic wave generated by the transmitter encounters the object, the sound wave will be emitted back, and the receiver can receive the reflected ultrasonic wave. It is only necessary to calculate the time from the transmission to the reception, and then multiply the speed of the sound in the air(340 m/s) to calculate the distance from the sensor to the object. 

    How does the ultrasonic distance sensor work?

    Here is a simple example of how an ultrasonic sensor works to measure distance:

    • Firstly, the transmitter (trig pin) sends a sound wave

    • The object picks the wave up, reflecting it back to the sensor.

    • The receiver (echo pin) picks it up

    Compared with traditional ultrasonic modules HC-SR04, the Grove - Ultrasonic Distance Sensor integrates a single-chip microcomputer, and the transmitting signal and the receiving signal share one pin by time-division multiplexing, so only one I/O pin is occupied. Another difference is that HC-SR04 only supports 5v voltage, while Grove - Ultrasonic Distance Sensor supports 5v and 3.3v. As we know, the Raspberry pi I/O only supports 3.3v. Therefore, Grove - Ultrasonic Distance Sensor can be directly connected to the I/O of the Raspberry Pi, but HC-SR04 needs to use a voltage conversion circuit.

    Features

    • 3.3V / 5V compatible, wide voltage level: 3.2V~5.2V

    • Only 3 pins needed, save I/O resources

    • Wide measurement range: 3cm ~ 350cm

    • Plug and play with Grove connector

    Applications

    • Distance measurement

    • Ultrasonic detector

    • Proximity alarm

    • Smart car

    Demo

    Hardware Overview

    Technical Details

    Dimensions50mm x 25mm x 16mm
    Weight
    G.W 17g
    Battery
    Exclude
    Measuring range
    3cm - 350cm
    Operating voltage
    DC 3.2~5.2V
    Operating current
    8mA
    Ultrasonic frequency
    40kHz
    Connector
    Grove x1
    Output
    PWM

    ECCN/HTS

    HS-CODE9031900090
    USHS-CODE8517620090
    UPC841454107484

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