LM393 Infrared Obstacle Avoidance Sensor Module for Arduino (3.3V-5V) – Scienticy
₹60.00 incl. GST
- Accurate Detection: Reliable IR-based obstacle sensing.
- Adjustable Range: Easy 2cm–30cm distance tuning.
- Stable Output: LM393 IC for clean digital signals.
- Instant Feedback: Onboard Power & Signal LEDs.
- Plug & Play: 3-pin interface for easy wiring.
- Universal Power: Supports 3.3V to 5V DC.
- Compact Design: Built-in hole for easy mounting.
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Contents
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Revolutionize Robotics with the Scienticy LM393 Obstacle Avoidance IR Sensor Module
Take your automation and robotics projects to the next level with the Scienticy LM393 Infrared Obstacle Avoidance IR Sensor Module. This module is a high-precision, reliable solution designed to detect objects in a robot’s path, making it an essential component for smart cars, obstacle-avoiding robots, and industrial counting systems.
Engineered with a premium Infrared (IR) Emitter and Receiver pair, this sensor works by emitting IR light and measuring the reflection from nearby objects. The onboard LM393 Voltage Comparator IC ensures a stable, noise-free digital signal, allowing your microcontroller to react instantly to obstacles. With its wide 3.3V to 5V DC operating range, it is perfectly compatible with Arduino, Raspberry Pi, ESP32, and ESP8266.
Key Features of the Scienticy IR Sensor module
- Precision Detection: Optimized for accurate obstacle sensing with a 35° detection angle.
- Adjustable Sensing Range: Features a built-in multi-turn potentiometer to easily tune the detection distance from 2cm to 30cm.
- Stable Digital Output: Utilizes the LM393 IC for a clean digital waveform and strong driving capability (>15mA).
- Real-time Feedback: Equipped with dual onboard LEDs—Power Indicator (Red) and Obstacle Status (Green)—for effortless debugging.
- Plug-and-Play Design: Simple 3-pin interface (VCC, GND, OUT) for quick connection to breadboards or Arduino shields.
- Compact & Mountable: Small form factor with a 3mm fixed screw hole for secure installation in robot chassis or project boxes.
- Low Power Consumption: Efficiently operates on low current, making it ideal for battery-powered portable projects.
Technical Specifications of the Scienticy IR Sensor module
| Feature | Details |
|---|---|
| Main Chip | LM393 Comparator IC |
| Operating Voltage | 3.3V to 5V DC |
| Detection Range | 2cm – 30cm (Adjustable via Potentiometer) |
| Output Signal | Digital Switch Output (0 and 1) |
| Detection Angle | 35° |
| Current Consumption | ~15mA |
| PCB Dimensions | ~31mm x 14mm |
| Mounting Hole | 3mm Screw Hole |
How It Works (Working Principle)
The Scienticy IR sensor module operates on the principle of Infrared Reflection. The transmitter LED emits an infrared signal at a specific frequency. When an obstacle enters the detection range, the IR light bounces back and is captured by the receiver photodiode. The LM393 IC then processes this signal, compares it with the threshold set via the potentiometer, and provides a LOW (0V) output on the signal pin to indicate an obstacle, while keeping it HIGH (VCC) when the path is clear.
Pin Configuration
- VCC: Connect to 3.3V – 5V External Power Source.
- GND: Connect to External Ground.
- OUT: Digital Output Pin (Connects to Arduino/MCU Digital I/O).
Here are the Short FAQs for your Scienticy IR Sensor module :
1. How to change the range?
Turn the onboard potentiometer clockwise to increase distance (2cm–30cm) and counter-clockwise to decrease it.
Turn the onboard potentiometer clockwise to increase distance (2cm–30cm) and counter-clockwise to decrease it.
2. What is the output signal?
It provides a Digital signal: LOW (0V) when an object is detected and HIGH (VCC) when the path is clear.
It provides a Digital signal: LOW (0V) when an object is detected and HIGH (VCC) when the path is clear.
3. Is it compatible with my board?
Yes, it works with any 3.3V to 5V controller & Relay module, including Arduino, Raspberry Pi, ESP32, and ESP8266.
Yes, it works with any 3.3V to 5V controller & Relay module, including Arduino, Raspberry Pi, ESP32, and ESP8266.
4. Can it work in sunlight?
It is best for indoor use. Direct sunlight can interfere with the infrared light and cause false triggers.
It is best for indoor use. Direct sunlight can interfere with the infrared light and cause false triggers.
5. Does it detect all colors?
It works best on white/light surfaces. Dark or black surfaces absorb IR light and will reduce the detection range.
It works best on white/light surfaces. Dark or black surfaces absorb IR light and will reduce the detection range.
Popular Applications of the Scienticy IR Sensor module:
- Robotics: Obstacle-avoiding robots and line-following smart cars.
- Industrial Automation: Object counting on conveyor belts.
- Home Automation: Touchless switches and smart doorway alerts.
- Security: Proximity alarms and perimeter monitoring.
Scienticy: Shape Your Imagination with Quality Components.
| Weight | 100 g |
|---|---|
| Dimensions | 10 × 10 × 5 mm |
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