M5Stack Infrared Reflective Sensor Unit - 5V, Analog & Digital Output
M5Stack Infrared Reflective Sensor Unit - 5V, Analog & Digital Output - Image 2
M5Stack Infrared Reflective Sensor Unit - 5V, Analog & Digital Output - Image 3
SKU: SENS-1846
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M5Stack Infrared Reflective Sensor Unit - 5V, Analog & Digital Output

₹699.00 (Inclusive of all taxes)
Out of Stock

The M5Stack Infrared Reflective Sensor Unit is a compact infrared sensing module compatible with ESP32 and other 5V microcontrollers. It provides both analog (0-4096) and digital (0/1) output signals for object detection, proximity sensing, and distance measurement applications.

Features

  • Dual analog and digital signal output for flexible system integration.
  • Integrated LM393 comparator for reliable digital signal conversion.
  • 5V operating voltage compatible with Arduino, ESP32, and M5Stack ecosystems.
  • Compact 32x24x8mm form factor with onboard status LED indicator.
  • Designed for object detection, tracking, and basic distance measurement.

Out of stock

Description

The M5Stack Infrared Reflective Sensor Unit operates on the principle of active infrared reflection. It emits infrared light and measures the intensity of the signal reflected back from a target object. This intensity is converted into a proportional analog voltage, providing a continuous measurement range suitable for proximity grading.

The module incorporates an LM393 voltage comparator which thresholds the analog signal to produce a clean digital output, simplifying integration into digital control systems and microcontrollers like the ESP32. Its operating temperature range of 0 to 40°C makes it suitable for indoor automation, robotics, and educational projects.

Key Features

  • Active infrared reflection sensing for non-contact detection.
  • Analog output provides 0-4096 range on ESP32's 12-bit ADC for detailed signal intensity.
  • Digital output via integrated LM393 comparator for straightforward threshold detection.
  • Onboard LED indicator visually confirms digital output state and sensor activity.
  • Compact and stackable design integrates seamlessly with M5Stack Core systems.
  • 5V DC power input ensures broad compatibility with development boards and industrial controllers.

Applications

  • Robotics obstacle avoidance and line following.
  • Object presence detection in automated packaging and sorting systems.
  • Proximity sensing for interactive displays and kiosks.
  • Basic reflective distance measurement in DIY and educational projects.
  • Integration into M5Stack-based IoT and automation prototypes.

Technical Specifications

Item TypeSensor Module
Model NameReflective Sensor Unit
Operating Voltage5V DC
Analog Output Range0-4096 (ESP32 12-bit ADC)
Digital Output0 / 1 (Logic High/Low)
Operating Temperature0°C to 40°C
Dimensions32 x 24 x 8 mm
Key ComponentLM393 Comparator
IndicatorStatus LED

Frequently Asked Questions

What is the operating voltage for this M5Stack IR sensor?

The sensor operates at a standard 5V DC. It is designed to be powered directly from the 5V pin of compatible development boards like the ESP32, Arduino Uno, or M5Stack Core units, ensuring straightforward integration without requiring additional level shifters.

How do the analog and digital outputs work?

The analog output provides a voltage proportional to the intensity of reflected infrared light, typically read as a value between 0-4096 on an ESP32's 12-bit ADC. The digital output uses the onboard LM393 comparator to give a clean high/low signal when the reflected intensity crosses a preset threshold, useful for simple object detection.

Can this sensor be used for precise distance measurement?

This sensor is best suited for proximity detection and relative distance estimation rather than precise, calibrated distance measurement. The analog output can indicate changes in distance, but accuracy is influenced by the target object's reflectivity and ambient infrared noise. It is ideal for applications like object presence/absence detection or line following.

Package Includes

  • 1 x M5Stack Infrared Reflective Sensor Unit

Additional Information

Weight 0.007 kg
Dimensions 2.4 × 3.2 × 0.8 cm

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