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價格均含稅，下單享優惠！歡迎大量採購，由專人提供專案報價。

目前僅提供網路賣場服務，無實體店面，無自取服務。

價格均含稅，下單享優惠！歡迎大量採購，由專人提供專案報價。

View All / Sensors and modules / Sensors / Line Tracking
Line Sensor Breakout - QRE1113 Analog/Digital

Line Sensor Breakout - QRE1113 Analog/Digital

QRE1113 線路感測模組提供數位與類比兩種版本，適用於線路追蹤與反射光偵測。模組內建 IR 發光二極管與光敏三極管，支援 3.3V 與 5V 系統。數位版使用電容放電，輸出高低電平信號；類比版則輸出隨光量變化的電壓信號。模組小巧，帶有 3-pin 接頭與安裝孔，方便使用於機器人與其他應用場景。

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Description

Description

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.


Features:

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



Specification

Dimensions：0.3x0.55"




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