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मूल्य सूची: Retail Price (B2C) मूल्य सूची
मूल्य सूची: Retail Price (B2C) मूल्य सूची
Eye Blink Sensor Module with Goggles – Infrared Fatigue Detection System for Accident Prevention and Assistive Technology Projects

Eye Blink Sensor Module with Goggles – Infrared Fatigue Detection System for Accident Prevention and Assistive Technology Projects

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FeatureDetails
Operating Voltage5V DC
Output TypeDigital (High/Low)
Sensing TechnologyIR Transmitter & Receiver (Reflective)
MountingPre-mounted on Adjustable Safety Goggles
IndicatorOnboard LED for Blink Detection
SensitivityPotentiometer-based Adjustment
Price
₹ 211.86 ₹ 211.86
(Tax included)

बारकोड: 5478538

Product Description The Eye Blink Sensor Module with Goggles is a specialized infrared-based detection system designed to monitor eyelid movement in real-time. This module utilizes a high-sensitivity IR transmitter and receiver pair mounted directly on a comfortable goggle frame. When the user blinks or closes their eyes due to fatigue, the infrared light reflection changes, causing the module to trigger a digital output signal. It is an essential component for developing driver drowsiness alerts, fatigue monitoring systems, and assistive technology for individuals with limited mobility. The module is fully compatible with Arduino, ESP32, and Raspberry Pi, making it a "plug-and-play" solution for safety-critical engineering projects.

Key Features

  • Real-Time Fatigue Detection: Optimized to detect prolonged eye closure, serving as an early warning for drowsiness.

  • Integrated Goggle Design: Ensures stable sensor alignment relative to the eye, eliminating external light interference.

  • Adjustable Sensitivity: Features an on-board potentiometer to calibrate the detection threshold for different users and environments.

  • Dual LED Indicators: Includes a power LED and a status LED that glows whenever a blink or eye-closure is detected.

  • Simple Digital Interface: Provides a clean TTL digital output, allowing for easy integration without complex analog-to-digital conversion.

Technical Details

  • Operating Principle: Based on the variation in IR light reflection between the eyeball and the eyelid.

  • Comparator IC: Utilizes the LM393 high-precision voltage comparator for stable and noise-free digital switching.

  • Infrared Wavelength: Operates at a standard 940nm IR frequency to ensure safety and prevent interference from visible light.

  • Operating Current: Highly efficient design drawing less than 50mA, suitable for portable battery-powered setups.

  • Signal Logic: Output remains High (or Low, depending on calibration) during normal eye-open states and toggles upon blinking.

  • Response Time: Features a near-instantaneous response speed, critical for high-speed accident prevention systems.

  • Goggle Material: Lightweight and flexible plastic frame designed to fit most head sizes comfortably.

  • On-board Potentiometer: Multi-turn trimmer for fine-tuning the sensitivity to detect even rapid blinks.

  • Power Protection: Designed to handle standard 5V regulated input with minimal ripple sensitivity.

  • Wiring Setup: Standard 3-pin interface: VCC (5V), GND (0V), and OUT (Digital Signal).

  • Environment Stability: The enclosed goggle structure helps maintain accuracy under varying ambient indoor lighting.

  • Cable Length: Comes with sufficiently long wires to allow free head movement when connected to a microcontroller.

  • Durability: Solid-state IR components ensure a long operational life with no mechanical wear.

  • Logic Level Compatibility: Direct 5V TTL output is compatible with the most popular hobbyist development boards.

  • Application Scope: Ideal for "Driver Drowsiness Systems," "Eye-Controlled Wheelchairs," and "Smart Health Monitors."

Prototyping and Engineering Tips from Robogears

  • 9V Battery Use: To power this module via a 9V battery, you must use a 7805 Voltage Regulator IC. Connecting 9V directly will burn out the IR transmitter and the LM393 comparator.

  • 18650 Cell: For a portable safety wearable, use a single 18650 cell with a 5V Boost Converter. This ensures the IR intensity remains constant as the battery discharges.

  • IC & Capacitor Tip: If the output signal is "chattering" or unstable, add a 0.1uF ceramic capacitor across the VCC and GND pins of the sensor. For driving an alarm, use a BC547 NPN Transistor to trigger a high-decibel active buzzer.

  • Related Products: We recommend pairing this with our Active Buzzers, Vibration Motor Modules, and Arduino Uno R3 for a complete fatigue alert system.

Package Includes

  • 1 x Eye Blink Sensor Module.

  • 1 x Specially Designed Goggle Frame.

  • 1 x Connecting Cable Set.

Disclaimer Image is for illustration purpose only 2-3 lines. This module is intended for educational and prototyping purposes only. It should not be used as the sole safety device in real-world automotive or life-support applications.