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Description: Infrared proximity sensor made by Sharp. Part # GP2Y0A41SK0F has an analog output that varies from 3.1V at 4cm to 0.3V at 30cm with a supply voltage between 4.5 and 5.5VDC. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module.


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Customer Comments

  • I have posted a project using this sensor as well as taken high-resolution tear-down photos of the sensor and put it on my blog here

  • Does anyone know the field of view for this type of sensor? I can’t find it in the datasheet

  • Would this sensor be able to detect the distance to a water level if placed at the top of a tank?

  • I did a dumb calibration / “best fit” power curve in Excel after some measurements of the voltage reading in an Arduino to inches, here’s my function:

    int sensorValue = analogRead(A0);
    float inches = pow(sensorValue,-0.867) * 539.98;

    This is using 5V USB powering the board and the Vcc going to a 5V pin on the arduino.

    Hope this helps anyone using this

  • Anybody know what the refresh rate for receiving new reading is on this device. I realize that it’s outputting a continuous analog signal, but what is the effective response time in terms of that signal responding to changes in distance.

  • somebody know which is pigtail that recommended?

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