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Detailed Product Description:

The E18-D80NK Adjustable IR Sensor is a reliable and versatile solution for non-contact object detection in a wide array of projects. This adjustable distance IR obstacle detector stands out for its exceptional range and ease of use. Operating on a low-voltage 5V DC supply, it is a perfect match for popular microcontrollers like Arduino and Raspberry Pi. The module's key technical feature is its modulated infrared technology, which makes it highly resistant to interference from ambient light, including direct sunlight, ensuring stable and consistent readings in various environments.

With a powerful sensing range that can be precisely adjusted from 3cm to 80cm, this E18-D80NK proximity sensor module is adaptable to numerous applications. The adjustment is made simple by a multi-turn potentiometer located at the back of the sensor, allowing you to fine-tune the detection distance to your exact needs. The sensor provides a straightforward digital output, sending a simple LOW signal to your microcontroller when an object is detected within the set range and a HIGH signal otherwise. The built-in LED on the sensor's body provides instant visual feedback, making troubleshooting and setup a breeze.

Whether you're building a robot for obstacle avoidance, an automated system for counting objects on a conveyor belt, or a smart home project that reacts to presence, this infrared obstacle detector is an indispensable tool. Its robust design, reliable performance, and user-friendly features, including its distinctive yellow round head and screw-on mounting capability, make it a professional choice for any robotics or automation project.

The E18-D80NK IR Proximity Sensor Module is a non-contact infrared distance sensor capable of detecting objects between 3 cm to 80 cm. Housed in a yellow cylindrical shell, it features an adjustable potentiometer to fine-tune the detection distance based on your project needs.

Widely used in robotic obstacle avoidance, conveyor automation, people counters, and door control systems, this sensor outputs a digital signal (LOW when object detected) and supports 5V DC operation, making it ideal for Arduino, Raspberry Pi, and STM32-based systems.

Key Features:

• Adjustable detection range from 3 cm to 80 cm

• Built-in infrared transmitter and receiver

• Digital output for microcontroller interfacing

• Durable yellow round plastic housing (M18 thread)

• Perfect for robotics, industrial automation, and smart devices

Technical Specifications:

How to Use with Arduino:

Wiring Example:

Sample Arduino Code:

Applications:

• Obstacle avoidance robots

• Automatic door openers

• Object counters or position sensors

• Industrial conveyor automation

• Smart home and IoT sensing projects

Package Includes:

• 1 × E18-D80NK IR Proximity Sensor Module – Yellow Round