Infrared Obstacle Avoidance Sensor Module Smart Car

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IR Infrared Obstacle Avoidance Sensor Module for Smart Cars & Robotics

Give your autonomous projects the gift of sight with this highly responsive IR Infrared Obstacle Avoidance Sensor Module. Engineered specifically for smart cars, robotics, and automated systems, this compact module provides reliable, real-time distance detection to ensure your builds navigate around obstacles smoothly and without collisions.

Operating on a simple light-reflection principle, the module emits an infrared signal. If an object enters its field of view, the light bounces back to the receiver, instantly triggering a change in the digital output signal.

Key Features

• Adjustable Detection Range: Features an onboard precision potentiometer (trimmer) that allows you to easily calibrate the detection distance from $2\text{cm}$ up to $30\text{cm}$, adapting perfectly to your project's environment.

• Wide 35 Detection Angle: Offers a generous 35 detection cone, providing ample coverage for front, rear, or side collision-avoidance setups on mobile robot chassis.

• Instantaneous Digital Output: Outputs a clean digital signal—logic LOW ($0\text{V}$) when an obstacle is detected and logic HIGH ($5\text{V}$) when the path is clear. This makes it incredibly easy to code for, requiring no complex analog-to-digital conversions.

• Dual Status Indicators: Equipped with two onboard LEDs: a Power Indicator to confirm the board is active, and an Obstacle Indicator that lights up the moment an object is detected for effortless debugging.

• High Immunity to Interference: Features low susceptibility to ambient light interference, ensuring consistent performance under normal indoor lighting conditions.

Specifications

• Operating Voltage: $3.3\text{V}$ to $5\text{V}$ DC

• Output Type: Digital Output (0 or 1)

• Detection Distance: $2\text{cm}$ to $30\text{cm}$ (Adjustable via potentiometer)

• Detection Angle: 35

• Pin Definition:

  • VCC: $3.3\text{V}5\text{V}$ external voltage

  • GND: External ground

  • OUT: Digital output interface (DO)

• Dimensions: Approx. $32\text{mm}\times 14\text{mm}$

• Mounting: Includes a $3\text{mm}$ screw hole for quick, secure structural mounting.

Common Applications

• Smart Robot Cars: Perfect for building obstacle-defying AGVs (Automated Guided Vehicles), maze-solving robots, and line-following cars with collision overrides.

• Object Counters: Positioned across a conveyor belt or automated track to count passing units or products.

• Touchless Switches: Creating hygienic, proximity-activated triggers for smart home automation and interactive displays.

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