{"product_id":"ir-break-beam-sensor-through-beam-object-detection-module","title":"IR Break Beam Sensor – Through-Beam Object Detection Module","description":"\n\u003ch2\u003eIR Break Beam Sensor – Precise Through-Beam Detection for Automation \u0026amp; DIY Projects\u003c\/h2\u003e\n\u003cp\u003eUpgrade your automation, counting, or access-control projects with this high-speed \u003cstrong\u003eInfrared (IR) Break Beam Sensor Module\u003c\/strong\u003e. Using a reliable through-beam design, this sensor creates an invisible infrared tripwire — the moment an object interrupts the beam, it instantly triggers a clean NPN output signal. No contact, no wear, no fuss. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed, Stable Detection:\u003c\/strong\u003e 2ms response time with a modulated IR beam ensures fast, accurate object detection regardless of the target's color, material, or surface finish — no more false reads from dark or reflective surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Light Resistant:\u003c\/strong\u003e Optimized modulated IR beam design actively rejects interference from sunlight and indoor lighting, delivering consistent performance in industrial workshops, maker spaces, and home automation setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Operates on DC 5V and provides an NPN normally-open signal output, making it compatible with Arduino, Raspberry Pi, ESP32, and most mainstream microcontrollers — no external power supply or complex regulators required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Contact \u0026amp; Maintenance-Free:\u003c\/strong\u003e Through-beam detection means zero physical contact with objects, ensuring a long service life even in high-cycle counting or gate applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Simply add a 1KΩ pull-up resistor between the signal wire and positive rail to connect directly to your microcontroller's I\/O pin. Up and running in seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated from -25°C to 60°C, suitable for both indoor and outdoor use cases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Size:\u003c\/strong\u003e 5mm (0.20 in) — 850nm launch wavelength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetection Distance:\u003c\/strong\u003e 30 cm \/ 100 cm (11.81 in \/ 39.37 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaunch Angle:\u003c\/strong\u003e ~45° (varies with distance)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceiving Angle:\u003c\/strong\u003e \u0026lt;10°\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e DC 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaunch Tube Power:\u003c\/strong\u003e 100 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e 20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e 2 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Mode:\u003c\/strong\u003e NPN Normally Open\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 26 cm (10.24 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Size:\u003c\/strong\u003e 20 × 10 × 8 mm (0.78 × 0.39 × 0.31 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -25°C to 60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring — Transmitter:\u003c\/strong\u003e Red = 5V VCC, Black = GND\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring — Receiver:\u003c\/strong\u003e Red = 5V VCC, Black = GND, White = Signal OUT (NPN)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠ Note:\u003c\/strong\u003e Do not reverse the positive and negative power supply connections.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × IR Break Beam Sensor (1 Transmitter + 1 Receiver)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePair With These Store Picks\u003c\/h3\u003e\n\u003cp\u003eLooking for more tools and gadgets for your projects? Check out our \u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit\u003c\/a\u003e or the \u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set\u003c\/a\u003e for your workshop needs.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a through-beam IR sensor and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A through-beam infrared sensor uses a separate transmitter and receiver placed opposite each other. The transmitter emits a continuous infrared beam aimed directly at the receiver. When an object passes between them and breaks the beam, the receiver detects the interruption and triggers an output signal. This makes it highly reliable for object detection, counting, and automation tasks.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this IR break beam sensor compatible with Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The sensor operates at DC 5V and outputs a standard NPN normally-open signal, making it fully compatible with Arduino, Raspberry Pi, ESP32, and most other popular microcontroller platforms. Simply add a 1KΩ pull-up resistor between the signal wire and the positive rail to connect to your board's I\/O pin.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum detection distance of this sensor?\u003c\/h4\u003e\n\u003cp\u003eA: This sensor supports detection distances of 30 cm and 100 cm (approximately 11.8 in and 39.4 in) depending on the configuration. The launch angle is approximately 45° and may vary with distance, while the receiving angle is less than 10°.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this sensor be used outdoors or in bright lighting conditions?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The modulated infrared beam design helps resist interference from ambient light sources, including sunlight and standard indoor lighting. The sensor is also rated for operating temperatures from -25°C to 60°C, making it suitable for a range of indoor and outdoor environments.\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 is a through-beam IR sensor and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A through-beam infrared sensor uses a separate transmitter and receiver placed opposite each other. The transmitter emits a continuous infrared beam aimed directly at the receiver. When an object passes between them and breaks the beam, the receiver detects the interruption and triggers an output signal. 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