資料來源:https://www.seeedstudio.com/Grove---Infrared-Reflective-Sensor-p-1230.html
This product is retired, please consider the new version Grove - Infrared Reflective Sensor V1.2 as your alternative choice.
The reflectivity of infrared light varies with the color and distance of the reflecting surface. According to this principle, Grove - Infrared Reflective Sensor utilizes a RPR220 reflective photosensor module to detect color and distance. When a light-colored object approaches,the signal intensity received by infrared reflective sensor increases and the indicator LED on board turns red. When a dark-colored object approaches, the intensity decreases and the LED turns off.
This sensor is a basic and widely used part in applications such as line-following cars, rotary speed detection, auto data logging on utility meters or other situations where color or distance contrast is sharp.
Features
Operating voltage: 3.3 V - 5 V
Digital output, 0 or VCC
High resolution sensor;minimum detectable length: 1mm black line
Effective distance:4-15mm
Indicator LED on board
Sensitivity adjustable via potentiometer
Small Grove 1X1 compatible interface
For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.
Dimensions | 50mm x 70mm x 10mm |
Weight | G.W 6g |
Battery | Exclude |
Grove - Infrared Reflective Sensor | 1 |
紅外光的反射率隨反射面的顏色和距離的不同而變化。根據這一原則, 格羅夫紅外反射感應器利用 RPR220 反射光敏模組來檢測顏色和距離。當一個淺色物體接近時, 紅外反射感應器接收到的信號強度增加, 並且指示燈在板上變紅。當深色物體接近時, 強度減小, LED 熄滅。
該感應器是一個基本的和廣泛使用的應用領域, 如直線跟蹤汽車, 轉速檢測, 自動資料記錄在公用事業儀錶或其他情況下, 顏色或距離對比度是尖銳的。
功能
工作電壓: 3.3 伏-5 伏
數位輸出, 0 或以上
高解析度感應器; 最小可探測長度: 1mm 黑線
有效 distance:4-15mm
指示燈在板上
靈敏度可調通過電位計
小樹林1X1 相容介面
對於所有的格羅夫使用者 (特別是初學者), 我們為您提供指導 PDF 文檔。請在使用該產品之前下載並閱讀序言-入門和樹林簡介。
檔
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