2 Pcs IR Break Beam Sensor Module with 5mm Infrared LEDs, 3.6V-5.5V Photoelectric Beam Switch, 33cm Cable NPN Normally Open Distance Sensor for DIY Robotics & Counting Projects

Product Name: IR Break Beam Sensor Material: Plastic shellGross Weight: 10gSingle Product Dimensions: Length 33cmLamp 5mmThrough-beam distance 100CM (with terminals)Operating Voltage 3.6~5.5VDetection Distance 25cmWavelength 950nmPackage List: 2pcs* LEDs Distance Sensor Counting Module

• Complete 2-Pack IR Break Beam Sensor Set: this photoelectric sensor set includes 2 IR break beam modules with a 33cm plastic shell and 5mm LED, total weight of 10g, operating at 3.6~5.5V with NPN normally open output, featuring a 25cm detection distance and up to 100cm through-beam range—simply add a 1k pull-up resistor between signal and positive for easy 3-wire integration with any microcontroller counting system
• Fast 2ms Response for Precise Detection: this photoelectric switch delivers an ultra-fast 2ms response time, significantly faster than PIR sensors, providing stable high-sensitivity motion detection with precise beam interruption that ensures reliable triggering for timing, counting, and obstacle detection applications
• Simple Microcontroller Connection Setup: this IR break beam sensor works seamlessly with 3.6~5.5V logic, requiring only a 1k pull-up resistor between the signal and positive lines to connect directly to your MCU IO port—enabling quick integration for counting systems and DIY electronics projects
• Ideal for Robotics & Smart Competitions: this photoelectric beam sensor features a 950nm wavelength and 5mm LED for non-contact sensing, making it perfect for smart robot competitions, speed detection, timing gates, and obstacle detection with millisecond accuracy for precise control
• Wide Compatibility for DIY & Industrial Use: these photoelectric sensors work with relays, microcontrollers, and various control systems, making them suitable for industrial automation, sensing counters, automatic doors, speed measurement, and a wide range of DIY electronics hobbyist projects