QTR-8A Reflectance Sensor Array

Specifications:

Type: Reflectance sensor array
Channels: 8 sensors
Sensor Type: Infrared reflectance sensors

Special Features:

Provides 8 channels for detecting reflectance from surfaces.
Ideal for line following and edge detection in robotics.
Includes onboard LED indicators for each sensor to show detection status.

Wiring Connections:

VCC (+): Connect to 5V power supply.
GND (-): Connect to ground.
OUT1: Output from the first sensor.
OUT2: Output from the second sensor.
OUT3: Output from the third sensor.
OUT4: Output from the fourth sensor.
OUT5: Output from the fifth sensor.
OUT6: Output from the sixth sensor.
OUT7: Output from the seventh sensor.
OUT8: Output from the eighth sensor.

Power:

Operating Voltage: 5V DC
Current Consumption: Approximately 30mA for all sensors

Original price was: ৳ 1,600.00.Current price is: ৳ 1,385.00.

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Specification

Overview

Input and Output:

Input: 5V power supply.
Output: 8 digital signals from each sensor channel indicating reflectance.

Physical Characteristics:

Board Size: Compact, typically around 85x16mm
Mounting: Can be attached to a robot or other surfaces using screws or adhesive.
Sensor Array: Eight infrared sensors arranged in a line to cover a broader area.

Technical Specifications:

Detection Range: Can detect surface reflectance from a distance of about 1-2 cm.
Response Time: Fast response for real-time tracking.

Additional Features:

Each sensor provides a high/low digital output based on surface reflectance.
Includes mounting holes for easy installation.
Works well in varying lighting conditions.

How to Use:

Connect the VCC pin to a 5V power source and the GND pin to ground.
Connect each OUT pin to the digital input pins of a microcontroller or processing unit.
Install the sensor array with the sensors facing downward, close to the surface for accurate detection.
Program the microcontroller to read the digital outputs from each sensor and make decisions based on reflectance data, such as adjusting the path of a robot.
Calibrate the sensors if needed to adjust sensitivity based on different surfaces or environments.

This module is useful for line-following robots, edge detection, and other applications requiring surface reflectance measurement. Its 8-channel setup provides broad coverage and reliable performance in various projects.