{"product_id":"ir-infrared-obstacle-avoidance-sensor-module-3-wire-reflective","title":"IR Infrared Obstacle Avoidance Sensor Module 3-Wire","description":"\u003cp\u003eThe \u003cstrong\u003eIR Infrared Obstacle Avoidance Sensor Module (3-Wire Reflective)\u003c\/strong\u003e 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.\u003c\/p\u003e\n\n\u003cp\u003eBuilt on a durable \u003cstrong\u003eFR4 PCB\u003c\/strong\u003e with surface-mounted (SMD) electronic components, this module operates on a wide voltage range of \u003cstrong\u003e3.3V to 5V\u003c\/strong\u003e, making it compatible with virtually all popular microcontroller platforms including Arduino, Raspberry Pi, and ESP32-based systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReflective IR Detection:\u003c\/strong\u003e Instantly senses obstacles or surfaces in its path using infrared light reflection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates at 3.3V–5V for use with most microcontrollers and development boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple 3-Wire Interface:\u003c\/strong\u003e VCC, GND, and Signal — plug in and start detecting right away\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures just 45.50mm × 14.10mm × 8.50mm — easy to fit in tight enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Surface-mount design for low-profile, stable mounting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm \u0026amp; Automation Ready:\u003c\/strong\u003e Perfect for alarm triggers, line-following robots, smart cars, and obstacle-detection systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Available in single (1PCS) or value packs (5PCS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFR4 PCB + Electronic Components\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45.50mm × 14.10mm × 8.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlarm, Robotics, Smart Car, Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1PCS or 5PCS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairings for Your DIY Projects\u003c\/h3\u003e\n\u003cp\u003eBuilding a smart device or creative electronics project? Check out these related components from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e — versatile wire for crafting and custom builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100–200pcs\u003c\/a\u003e — useful for wiring, craft assemblies, and prototyping accents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the IR Infrared Obstacle Avoidance Sensor Module do?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage does the IR Obstacle Avoidance Sensor Module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module operates on a supply voltage of \u003cstrong\u003e3.3V to 5V\u003c\/strong\u003e, making it compatible with a wide range of microcontrollers and development boards including Arduino, ESP32, and Raspberry Pi.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the IR Obstacle Avoidance Sensor Module made of?\u003c\/h4\u003e\n\u003cp\u003eA: It is built on an \u003cstrong\u003eFR4 fiberglass PCB\u003c\/strong\u003e with SMD (surface-mount) electronic components, ensuring durability and reliable performance in compact electronic builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many wires does this sensor module use?\u003c\/h4\u003e\n\u003cp\u003eA: The module uses a simple \u003cstrong\u003e3-wire connection\u003c\/strong\u003e: VCC (power), GND (ground), and Signal (output). This straightforward wiring makes it easy to integrate into any microcontroller-based project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I buy multiple units of this sensor module?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the IR Infrared Obstacle Avoidance Sensor Module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This sensor module emits infrared light and detects reflections from nearby objects or surfaces. 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