This paper is about a system that helps keep railway tracks safe. It uses a computer called ESP32 with many sensors to check for cracks, obstacles and shakes on the tracks. The system can talk to devices using LoRa and find its location using GPS. It also uses a service called ThingSpeak to send alerts in time. By using this system we can find problems on the tracks early. Do less manual checking, which makes rail travel safer. The system is part of the Internet of Things (IoT). Works on its own, which means it can help prevent accidents on the railway. The ESP32 microcontroller is really good at using energy, which is important, for a system that needs to work for a long time. The system helps railway safety by finding faults and reducing the need for people to check the tracks manually. The ESP32, LoRa, GPS and ThingSpeak all work together to make the system. The system is a robotic system that checks railway tracks. It detects hazards. Sends alerts using the ESP32, LoRa, GPS and ThingSpeak.
Ravula et al. (Tue,) studied this question.