GP2Y0A02YK 距离传感器

简介

GP2Y0A02YK是夏普红外距离传感器家族成员之一,此型号可提供高达150cm的探测距离,同样也拥有夏普在红外距离探测领域一贯的品质。

此传感器可以用于机器人的测距、避障以及高级的路径规划,是机器视觉及其应用领域的不错选择。

技术规格

连接图

分析图

模拟输出电压与反射物体的距离

Sharp GP2Y0A02YK1 Sharp GP2Y0A02YK2

示例代码

方案一

    /*  description:
        The sample code is used to measure distance by GP2Y0A02YK IR ranger sensor.
        VCC -- VCC
        GND -- GND
        Signal -- Analog 1
        */
    int IRpin = 1;                                    // analog pin for reading the IR sensor
    void setup() {
        Serial.begin(9600);                             // start the serial port
    }
    void loop() {
        float volts = analogRead(IRpin)*0.0048828125;   // value from sensor * (5/1024) - if running 3.3.volts then change 5 to 3.3
        float distance = 65*pow(volts, -1.10);          // worked out from graph 65 = theretical distance / (1/Volts)
        Serial.println(distance);                       // print the distance
        delay(100);                                     // arbitary wait time.
    }

方案二

    /******** start code ********/
    /*
     *  created     2013-07-26
     *  by      lisper (leyapin@gmail.com)
     *  function    test gp2y0a02yk, read value from A1
     *
     */

    //connect gp2y0a02 to A1
    #define pin A1

    void setup () {
            Serial.begin (9600);
            pinMode (pin, INPUT);
    }

    void loop () {
            uint16_t value = analogRead (pin);
            uint16_t range = get_gp2y0a02 (value);
            Serial.println (value);
            Serial.print (range);
            Serial.println (" cm");
            Serial.println ();
            delay (500);
    }

    //return distance (cm)
    uint16_t get_gp2y0a02 (uint16_t value) {
            if (value < 70)  value = 70;
            return 12777.3/value-1.1;        //(cm)
            //return (62.5/(value/1023.0*5)-1.1);        //(cm)
            //return ((67870.0 / (value - 3.0)) - 40.0); //gp2d12 (mm)
    }

    /******** end code ********/

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category: Product Manual category: TEL Series category: Modules category: source