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SparkFun Line Sensor Breakout - QRE1113 (Digital)

Product Code: MP01601
Supplier Code: ROB-09453
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87.83 TL + VAT
Price Including VAT
105.40 TL
Stock : Out of stock
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  • SparkFun Line Sensor Breakout - QRE1113 (Digital)

    This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems.

    The board's QRE1113 IR reflectance sensor is comprised of two parts - an IR emitting LED and an IR sensitive phototransistor. When you apply power to the VCC and GND pins the IR LED inside the sensor will illuminate. A 100Ω resistor is on-board and placed in series with the LED to limit current. The output of the phototransistor is tied to a 10nF capacitor. The faster that capacitor discharges, the more reflective the surface is.

    These sensors are widely used in line following robots. White surfaces reflect more light than black, so, when directed towards a white surface, the capacitor will discharge faster than it would when pointed towards a black surface.

    The power input and output pins are brought out to a 3-pin, 0.1" pitch header. The board also has a single mounting hole if you want to screw it onto something.


    • 5VDC operating voltage
    • 25mA supply current
    • Digital I/O compatible
    • No ADC required
    • Optimal sensing distance: 0.125" (3mm)
    • 0.3x0.55"


    Competitive and Affordable SparkFun Line Sensor Breakout - QRE1113 (Digital) at SAMM Market

    You can order SparkFun Line Sensor Breakout - QRE1113 (Digital) from SAMM Market with the advantage of reasonable price, same day shipping and fast delivery from Sparkfun category.

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