This project presents a gesture-controlled LED system that utilizes computer vision and microcontroller-based control to activate LEDs based on hand gestures. A webcam captures hand movements, which are processed using OpenCV and MediaPipe in Python to detect and count the number of raised fingers. The detected finger count is then sent to an Arduino Uno via serial communication (PySerial), which controls a set of 5 LEDs, turning them ON/OFF accordingly. This system provides an interactive way to control physical devices through hand gestures, making it useful for human-computer interaction, smart automation, and assistive technology applications.
Published August 18, 2025
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