Infrared Obstacle Avoidance Sensor Module Product type and core features Type: LM393 based infrared obstacle avoidance sensor module Working voltage: DC 3.3 5V Channel: 1 channel Detection range: 2 30 cm, adjustable PCB board size: 3.1 x 1.3 cm (1.2 x 0.51 inches) Installation hole diameter: 3 mm Materials: PCB Main color: Blue Key benefits Provides reliable obstacle detection for autonomous or semi autonomous projects Adjustable detection range (2 30 cm) allows tuning for different environments and sensitivity Compatible with common microcontroller platforms operating at 3.3 5V Compact 3.1 x 1.3 cm form factor fits small enclosures and tight spaces Simple integration with a single channel for straightforward obstacle sensing What sets it apart LM393 based sensor offers simple, compact obstacle detection with a single sensor channel Durable, compact PCB design in a blue board for easy identification and integration Standard mounting holes (3 mm) to fit a variety of chassis and enclosures Use scenarios Autonomous small robots and toy rovers requiring obstacle avoidance to navigate environments Proximity sensing for automated door systems or proximity triggered automation in compact projects Object detection and collision prevention in DIY robotics, automation demos, or educational kits Compatibility and performance Suitable for Arduino, Raspberry Pi, and other microcontroller platforms that operate within 3.3 5V The 2 30 cm adjustable range supports different room sizes and obstacle types while maintaining a compact footprint Notes Specifications are provided for planning and integration with compatible systems No additional details beyond the stated features; designed for straightforward use in relevant applications