Infrared proximity sensors are crucial components in many automated systems, from industrial robotics to consumer electronics. Selecting the appropriate sensor ensures reliable object detection, accurate measurements, and optimal system performance. Understanding key features and specifications will help you make an informed decision for your specific application.
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- 💎【IR Infrared Sensor】：Widely Used Robot obstacle avoidance, obstacle avoidance car, assembly line counting and black and white line tracking and many other occasions.
- ⚡【Operating Voltage】：3.3-5V (3.3V Recommended)
- 🥇【Detection angle】：35°
- 🥈【Detection Distance】：2～30cm
- 🥉【Adjustable potentiometer】：Adjust clockwise to increase the detection distance; adjust the potentiometer counterclockwise to decrease the detection distance.
- Enhance your Arduino car project with our IR Infrared Obstacle Avoidance Sensor Modules, designed for seamless integration and optimal performance, ensuring your smart vehicle adeptly navigates any course with precision.
- Elevate your Arduino sensor kit with our reflective photoelectric proximity sensor, offering a reliable 2-30cm detection range, ideal for sophisticated inspection robot systems requiring meticulous distance sensing.
- Our versatile distance sensor modules are perfect for line tracking and count tasks, delivering consistent results and easy installation for both hobbyist and professional Arduino smart car robot applications.
- With an adjustable detection range and a stable LM393 comparator, our proximity sensor is a crucial component for any Arduino sensor kit, ensuring your creations respond swiftly to their surroundings.
- Tailor your Arduino projects with precision using our sensor modules, equipped with easy-to-mount screw holes and straightforward 3-wire connectivity, making them a must-have for any Arduino car enthusiast or robotics engineer.
- Can be widely used in robot obstacle avoidance, obstacle avoidance car, line count, and black and white line tracking and so on.
- The effective distance range of 2 ~ 30cm, the working voltage of 3.3V- 5V
- ☆The sensor module has strong ability to adapt to ambient light. It has a pair of infrared transmitting and receiving tubes. The transmitting tube emits infrared light of a certain frequency.
- ☆Signal output interface outputs a digital signal (a low-level signal). The detection distance can be adjusted by the potentiometer knob. The effective range is 2 to 30cm and the working voltage is 3.3V.5V.
- ☆The sensor's detection distance can be adjusted by a potentiometer, has small interference, is easy to assemble, and is easy to use.
- ☆It can be widely used in robots to avoid obstacles, avoid cars, count pipelines, and track black and white lines.
- ☆Sensor module output port OUT can be directly connected with the microcontroller IO port can also directly drive a 5V relay; connection mode: VCC-VCC; GND-GND; OUT-IO.
- ★E18-D80NK is a set of transmitter and receiver in one of the photoelectric sensor.
- ★Detection distance can be adjusted according to requirements.
- ★Long distance detection, low visible light interference, cheap price, easy assembly, and easy to use.
- ★Can be widely used in robot obstacle avoidance, pipeline line piece and many other automation products.
- ★Photoelectric sensor (photoelectric switch) NPN normally open.
- IR sensor：Compatible with for Arduino Smart Car Robot
- Size：32*14mm
- Voltage：3.3-5V
- Distance range：2-30cm
- Commodities include：10Pcs Photoelectric reflection sensor；10Pcs Male and Female Dupont Cable
- 10Pcs IR Infrared Obstacle Avoidance Sensor Module,Proximity Sensor for Arduino Smart Car Robot
- Can be used for 3-5V DC power supply modules . When the power is turned on, the red power
- board size : 3.1CM * 1.5CM
- VCC: external 3.3V-5V voltage (can be directly connected to 5v MCU and 3.3v MCU)
- OUT: small board digital output interfaces (0 and 1)
- Response speed: 1ms ;High sensitivity: The laser photoelectric switch has higher sensitivity and can detect extremely small changes in optical signals, and is suitable for application scenarios that require high sensitivity.
- 360° visual status indicator light: Provides immediate, clear feedback when an object is detected. Allows operators to visually verify the machine's cycling and performance from a distance.
- Multiple Protection: With short circuit protection, overload protection, reverse polarity protection.
- Adjustable detection distance: 30-800mm/1.18-31.5in;
- NPN NO normally open mode; Diffuse reflection;
- IP65 Waterproof; No-load current< 10mA; Working voltage 10-30V DC; Current 300mA; maximum load current 150mA; switching frequency: 100HZ; Diameter 20MM; length 75MM; wire length 80CM
- GP2Y0A51SK0F 2-15CM /GP2Y0A41SK0F 4-30CM/GP2Y0E03 4-50CM/GP2Y0A02YK0F 20-150CM /GP2Y0A710K0F 100-550cm
- optical sensor
- GP2Y series infrared distance measuring sensor distance detection 2-15/4-30/4-50/10-80/20-150CM
- GP2Y0A21YK0F GP2Y0A21 10~80cm Infrared Proximity Distance Sensor
- GP2Y0A51SK0F 2-15CM /GP2Y0A41SK0F 4-30CM/GP2Y0E03 4-50CM/GP2Y0A02YK0F 20-150CM /GP2Y0A710K0F 100-550cm
- optical sensor
- GP2Y series infrared distance measuring sensor distance detection 2-15/4-30/4-50/10-80/20-150CM
- GP2Y0A21YK0F GP2Y0A21 10~80cm Infrared Proximity Distance Sensor (GP2Y0A51SK0F 2-15CM)
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Last update on 2026-04-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Infrared Proximity Sensors
Understanding Infrared Proximity Sensor Types
Infrared proximity sensors primarily operate using either through-beam or reflective principles. Through-beam sensors consist of an emitter and a receiver, where detection occurs when an object breaks the infrared beam between them. Reflective sensors, on the other hand, emit infrared light and detect when it bounces off an object and returns to the sensor. The choice depends on whether you need to detect objects in an open path or on a surface.
Key Technical Specifications to Consider
- Sensing Distance: This is the maximum range at which the sensor can reliably detect an object. Ensure this distance meets your application's requirements.
- Output Type: Sensors come with various output types, including digital (on/off) and analog (variable signal proportional to distance). Digital outputs are suitable for simple presence detection, while analog outputs are better for precise distance measurement.
- Response Time: This indicates how quickly the sensor reacts to a detected object. Faster response times are critical for high-speed applications.
- Environmental Ratings: Consider the operating temperature range, ingress protection (IP rating) against dust and water, and resistance to vibration or shock if the sensor will be used in harsh environments.
Mounting and Integration
The physical size and mounting options of the sensor are important for seamless integration into your project. Some sensors are designed for panel mounting, while others can be screw-mounted or integrated directly into machinery. Ensure the sensor's form factor and mounting mechanism are compatible with your existing setup or enclosure.
Power Requirements and Connectivity
Verify the sensor's voltage requirements (e.g., 5V, 12V, 24V) and ensure compatibility with your power supply. Also, check the type of electrical connection required, such as M8/M12 connectors, wire leads, or screw terminals, to facilitate easy wiring.
