Arduino IR Proximity Sensor Tutorial | Object Detection & Obstacle Avoidance
Detect objects without touching them using an infrared (IR) proximity sensor with Arduino. This tutorial covers how IR sensors work, wiring, reading digital and analog output, and using them for obstacle avoidance in robots and automatic triggers.
🔴 What you'll learn and more things to explore:
• How IR proximity sensors work (IR LED + photodiode pair)
• Digital vs analog IR sensors. When to use each
• Wiring and calibrating sensitivity with the trimpot
• Applications: line followers, obstacle avoiders, hand-triggered events
📌 Part of the Arduino Prototyping: Inputs series.
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