STM32 Based Quadcopter For Obstacle Avoidance Using Ultrasonic Sensor

This research paper presents the development of a drone system that is based on a quadcopter and utilizes an ultrasonic sensor for evaluating obstacles and measuring altitude. The project employs an STM32 microcontroller and Arduino programming to establish a quadcopter platform that is both affordable and educational. The system encompasses various functionalities such as auto-leveling and altitude maintenance. The hardware components and calibration procedures are extensively elucidated to ensure a flight that is safe and dependable. The paper highlights the importance of calibrating the sensor, balancing the motors and propellers, and effectively implementing obstacle avoidance and altitude measurement capabilities. In conclusion, this project offers a comprehensive resolution for self-sufficient drone navigation and control.