STM32 based Border Surveillance Rover

Border Surveillance is an important application of Embedded Systems, Robotics, Wireless Communication and Remote Monitoring technologies. Traditional Border Surveillance methods often need people to stay in risky, remote hard‑to‑reach places all the time. To beat these problems I suggest building a four‑wheel Mobile Surveillance Rover that can watch from a distance spot obstacles and gather data about the environment. The design uses two controllers: an STM32 microcontroller and an ESP32 camera module. I find the STM32 acting as the controller very useful because it handles motor control, obstacle detection with an ultrasonic sensor, GPS reading, Environmental Monitoring and battery voltage measurement. The ESP32 camera module sends video wirelessly so the operator can see the Mobile Surveillance Rover from away. The ESP32 also drives a two‑axis pan‑and‑tilt mechanism with servo motors so the camera can turn left‑right and up‑down for a view. The Mobile Surveillance Rover includes a motor driver, a distance sensor, a GPS receiver an environmental sensor the ESP32 camera module, servo motors and a stable power supply. The STM32 talks, to the ESP32 so that movement, sensing and camera work in harmony while each controller handles its job. Early tests of an ESP32 motor control prototype showed that simple movement is possible. Next steps will add STM32 control. Bring all parts together. The main objective is to build an adaptable Mobile Surveillance Rover that can watch and gather data from hard places. I hope future upgrades could add navigation, object detection, real‑time data logging and better wireless communication to make the rover more reliable and powerful.