IR Sensor Explained: Working, Pins, Specs, Arduino Code Alternatives

Learn everything about the IR sensor in one video: what infrared is, types of IR sensors, parts of the FC-51 obstacle module, how it works, the LM393 comparator, specifications, wiring with Arduino, working code, applications, and limitations. Chapters: 0:00 Intro 0:19 What is infrared? 0:52 Types of IR sensors 1:32 Parts of the module 2:16 How it works 2:43 Inside: LM393 comparator 3:16 Specifications 3:58 Wiring with Arduino 4:16 Arduino code 4:37 Applications 4:59 Limitations and tips 5:32 Summary Specs shown are typical for FC-51-type modules and vary by manufacturer; check your datasheet. #IRSensor #Arduino #Electronics #IoT #FC51