IR Infrared Obstacle Avoidance Sensor Module 3-Wire

The IR Infrared Obstacle Avoidance Sensor Module (3-Wire Reflective) is a compact, reliable proximity-sensing component ideal for Arduino projects, smart robots, automated vehicles, and alarm systems. Using reflective infrared technology, it detects nearby objects and outputs a clean digital signal — all through a simple 3-wire connection that makes integration fast and effortless.

Built on a durable FR4 PCB with surface-mounted (SMD) electronic components, this module operates on a wide voltage range of 3.3V to 5V, making it compatible with virtually all popular microcontroller platforms including Arduino, Raspberry Pi, and ESP32-based systems.

Key Features

• Reflective IR Detection: Instantly senses obstacles or surfaces in its path using infrared light reflection
• Wide Voltage Compatibility: Operates at 3.3V–5V for use with most microcontrollers and development boards
• Simple 3-Wire Interface: VCC, GND, and Signal — plug in and start detecting right away
• Compact Form Factor: Measures just 45.50mm × 14.10mm × 8.50mm — easy to fit in tight enclosures
• SMD Package: Surface-mount design for low-profile, stable mounting
• Alarm & Automation Ready: Perfect for alarm triggers, line-following robots, smart cars, and obstacle-detection systems
• Customizable: Available in single (1PCS) or value packs (5PCS)

Specifications

Options

• Quantity: 1PCS or 5PCS

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Frequently Asked Questions

Q: What does the IR Infrared Obstacle Avoidance Sensor Module do?

A: This sensor module emits infrared light and detects reflections from nearby objects or surfaces. When an obstacle is detected within its range, it outputs a digital signal through its 3-wire interface, making it ideal for use in Arduino smart cars, robots, alarm systems, and automated devices.

Q: What voltage does the IR Obstacle Avoidance Sensor Module require?

A: The module operates on a supply voltage of 3.3V to 5V, making it compatible with a wide range of microcontrollers and development boards including Arduino, ESP32, and Raspberry Pi.

Q: What is the IR Obstacle Avoidance Sensor Module made of?

A: It is built on an FR4 fiberglass PCB with SMD (surface-mount) electronic components, ensuring durability and reliable performance in compact electronic builds.

Q: How many wires does this sensor module use?

A: The module uses a simple 3-wire connection: VCC (power), GND (ground), and Signal (output). This straightforward wiring makes it easy to integrate into any microcontroller-based project.

Q: Can I buy multiple units of this sensor module?

A: Yes! The module is available as a single unit (1PCS) or in a value pack of 5 (5PCS), so you can stock up for larger projects or multiple builds.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.