Hello friends, I hope you all are doing great. Today, I am going to share the new Infrared Sensor Library for Proteus V2.0 . It simulates the FC-51 IR obstacle sensor , the small blue board with a clear IR LED and a dark photodiode at one end, which tells your Arduino with a single pin whether something is in front of it. With this Infrared Sensor Library for Proteus , you place the object yourself (its distance, its colour, indoor light or sunlight, even a waving hand), and your Arduino reads the OUT pin exactly as it reads the real module. Updates Infrared Sensor Library for Proteus Latest version: V2.0 (October 2026, this tutorial) Earlier versions: V1.0 (2018) Other infrared sensors: IR Proximity · IR Tracker · Sharp IR · IR Remote Other distance and motion sensors: Ultrasonic HC-SR04 ...