A Stair-Climbing Robot is a mobile robotic system designed to move up and down stairs while carrying people, equipment, or materials. Unlike ordinary wheeled robots, it uses special mechanisms such as tracked wheels, articulated legs, rotating wheels, or synchronized climbing modules to overcome the height difference between steps. Sensors can detect the edge and height of each stair, while motors and a control system coordinate movement to maintain stability.
Stair-climbing robots can be useful in rescue operations, warehouses, hospitals, construction sites, and transportation of heavy loads. Some designs can carry equipment or assist people with limited mobility. A typical system combines motors, batteries, distance sensors, a microcontroller, and a mechanical climbing mechanism. Safety features such as obstacle detection, braking, balance control, and emergency stopping are important for reliable operation on stairs.