Touch-Free Smart Home Control System Using Hand Gesture Recognition

In today’s modern world, home automation systems are becoming increasingly popular because they provide convenience, safety, and comfort. Most existing systems use switches, remote controls, or mobile applications to control appliances. However, these methods still require physical contact, which may not be suitable in situations where hygiene and contactless interaction are important. To overcome these limitations, this project introduces a Touch-Free Smart Home Control System that allows users to control home appliances using simple hand gestures. The system uses a camera to capture hand movements and processes them using computer vision techniques. The gesture is detected using Python programming along with OpenCV and MediaPipe libraries. Once the gesture is recognized, the command is sent to the Arduino Uno microcontroller using a Bluetooth module. The Arduino then controls appliances such as a fan, light, water pump, and buzzer. Additionally, a gas sensor is included to detect harmful gas leakage and activate a buzzer alert to ensure safety. The system also uses a 16×2 LCD display to show the status of appliances in real time. This project provides a contactless, safe, and user-friendly solution for smart home automation. It is affordable, reliable, and suitable for homes, hospitals, and offices.