IR Obstacle Sensor HW-201

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A simple and reliable infrared sensor for detecting nearby objects without contact. Perfect for robots, automation, and beginner electronics projects. The module detects obstacles using reflected IR light and outputs a clean digital signal that’s easy to read with any microcontroller. Key Features Normally HIGH output (LOW when obstacle detected) Adjustable sensitivity (potentiometer) Fast and stable digital signal Easy 3-pin connection (VCC, GND, OUT) Built-in indicator LED Typical Uses Obstacle-avoiding robots Line tracking Proximity detection DIY projects Show more