TCRT5000 Infrared Reflective Sensor Module
Versatile infrared reflective sensor for object detection and line-following robots with digital and analog outputs.
৳25
● In stock
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Product Description
The TCRT5000 Infrared Reflective Sensor Module is a highly versatile and reliable component designed for a wide array of optical sensing applications. Built around the industry-standard TCRT5000 infrared emitter and phototransistor pair, this module is an absolute must-have for electronics enthusiasts, engineering students, and hobbyists across Bangladesh. The sensor operates by emitting a focused beam of infrared light from its LED. When an object is placed in front of the sensor, the infrared light bounces off the object's surface and reflects back into the built-in phototransistor. This simple yet highly effective mechanism allows the sensor to detect the presence of objects, measure distances over short ranges, and differentiate between light and dark surfaces with remarkable precision.One of the most common and popular uses for the TCRT5000 module is in the construction of line-following robots. In such applications, the sensor is typically positioned facing downwards towards the floor. Because dark surfaces (like a black line) absorb infrared light while light surfaces (like a white floor) reflect it, the sensor can easily distinguish between the two. The onboard comparator circuit, usually built around the LM393 IC, processes the analog signal from the phototransistor and provides a clean, easily readable digital output (HIGH or LOW). This makes it incredibly straightforward to interface with microcontrollers such as the Arduino Uno, ESP32, Raspberry Pi, or any other digital logic system without needing complex analog-to-digital conversion.In addition to its digital output, many TCRT5000 modules also feature an analog output pin. This analog pin provides a continuous voltage reading that varies depending on the intensity of the reflected infrared light. This feature is particularly useful for applications requiring more nuanced distance measurements or variable threshold detection. The module also comes equipped with a built-in potentiometer, allowing users to manually adjust the detection sensitivity to suit different lighting conditions and object reflectivities. This adaptability makes the TCRT5000 an excellent choice for a variety of projects, from simple obstacle avoidance systems in small autonomous vehicles to sophisticated edge detection and rotary encoder applications.When shopping for electronic components in Bangladesh, reliability and performance are key. Our TCRT5000 modules are rigorously tested to ensure consistent performance out of the box. Whether you are building your very first robot, designing an automated sorting system for an industrial prototype, or creating interactive installations, the TCRT5000 provides the dependable optical sensing capabilities you need to succeed. Its compact size, low power consumption, and dual output options make it one of the most practical and frequently utilized sensors in the maker community.
Specifications
- Dual output modes: Digital (DO) and Analog (AO)
- Onboard LM393 comparator chip for clean digital signals
- Adjustable sensitivity via built-in potentiometer
- Ideal for line-following and obstacle avoidance
- Easy integration with 3.3V and 5V microcontrollers
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