TCRT5000 IR reflex Tracking Sensor Module
- Product SKU: KG1001
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DescriptionThe TCRT5000 IR Reflective Tracking Sensor Module is a versatile sensor commonly used in robotics and automation projects for line following and object detection. It consists of an IR (infrared) emitter and receiver pair, and it can detect changes in the reflectivity of surfaces in its proximity.
Here's how it typically works and its common applications:IR Emitter and Receiver Pair: The module includes an IR LED (emitter) and an IR phototransistor (receiver) positioned facing each other.
Detection Principle: The TCRT5000 module operates based on the reflection of IR light. When the IR LED emits infrared light, it strikes a surface in front of the module. The reflectivity of the surface determines how much of the IR light is reflected back to the phototransistor.
Analog Output: The module generates an analog voltage signal based on the intensity of the reflected IR light. This voltage level varies depending on the reflectivity of the surface. Dark surfaces reflect less light, while light surfaces reflect more.
Common Collector Output: The module is usually designed with a common collector output, meaning it provides an open-drain (open-collector) output that requires an external pull-up resistor to create a digital signal.
Common Applications:Line Following Robots: TCRT5000 modules are commonly used in line following robots. The sensor array is positioned under the robot, and the robot's microcontroller interprets the sensor readings to stay on a desired path marked by a contrasting line.
Edge Detection: They can be used for edge detection or boundary detection, such as detecting the edges of a tabletop or the boundary of a designated area.
Usage Considerations:Surface Reflectivity: The reflectivity of the surface being tracked or detected is essential. Dark lines or objects on a lighter surface provide good contrast for detection.
Sensor Spacing: Proper spacing between multiple sensors (if used) is critical for accurate line following or edge detection.
Calibration: Depending on the surface and lighting conditions, you may need to calibrate the sensitivity of the sensors in your microcontroller code.
Lighting Conditions: The module's performance can be affected by ambient lighting conditions. Shielding it from external light sources is often necessary.
- The working voltage: 5V DC
- The output format: digital signal (0 and 1)
- Detector distance: 25mm
- L X W X H (MM): 43 X 12 X 14
- Weight (gm) : 5
- A fixed bolt hole for easy installation
- Small PCB board size: 3.5cm x 1cm
- A single weight: 5g
- Build-in Tcrt5000 Sensor
- Applicable to a variety of platforms including Arduino / AVR / ARM /PIC
- 1 x TCRT5000 IR reflex Tracking Sensor Module