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8pcs Arduino Infrared Reflectance Sensor for Sensor Shield
Features The Infrared Reflectance Sensor Module carries a single infrared LED and phototransistor pair in an inexpensive, tiny module that can be mounted almost anywhere and is great for obstacle detection of robot and home alert system. Building interactive work is as easy as piling bricks, just plug it to our Arduino Sensor Shield with a buckled cable, and make it looks professional and neat. The Infrared Reflectance Sensor Module simply gives a digital signal when it detects infrared reflection from a person or object, so the code is exactly as the one we would use for a pushbutton. Please be noted that, when reflection is detected, it gives a “low” value.
Electrical characteristics: Red: VCC; Black: GND; Yellow: Signal Date Working voltage: 5 VDC Working current: 10-15 mA Drive current: 100 mA Induction distance: 3-80 cm Size: 18 x 45 mm Lead length: 18 cm
User Manul: Connection: red take 5 V, black meet GND, yellow line output. Through the sensors to adjust the knob on the back, induction distance for induction distance 3-80 cm. In induction range, no obstacle yellow line output 5 V, with an obstacle yellow line 0 V. (the power supply voltage stability) In the circuit design can be in the output and the yellow line, resistance to 10 K 5 V, again, chip will test access is stable and the single-chip microcomputer testing can use external hardware interrupt INT0 INT1 to achieve.
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