The Stair Climbing Robot Controlled Wirelessly Using ZigBee is designed to move on both flat surfaces and staircases while being operated remotely through ZigBee wireless communication. The main objective of this project is to develop a robot that can climb stairs and transport small objects in places where conventional wheeled robots cannot move effectively. The robot uses a specially designed wheel arrangement and gear mechanism that enables it to climb steps smoothly and maintain stability during movement. The system consists of a ZigBee transmitter and receiver pair, a microcontroller, DC motors with gear mechanisms, motor driver circuits, and a rechargeable battery. Commands are transmitted wirelessly from the transmitter to the robot through the ZigBee module, allowing the user to control forward, reverse, left, right, and stair-climbing movements from a distance. The microcontroller processes the received commands and drives the motors accordingly. The proposed robot is suitable for applications such as material transportation, rescue operations, surveillance in multi-level buildings, and industrial inspection, providing a simple, low-cost, and efficient wireless stair-climbing solution.          

The main objectives of this project are:  

1. Design of real time stairs climbing robot.
2. Wireless controlling of robot directions and movement using Zigbee.

       

The major building blocks of this project are:  

1. Battery Power Supply.
2. PIC Microcontroller.
3. Zigbee transmitter, receiver.
4. DC Motors with Relays driver.
5. Crystal
6. LED Indicators.
7. Reset Button.

         

Software’s used:  

1. PIC-C compiler for Embedded C programming.
2. PIC kit 2 programmer for dumping code into Micro controller.
3. Express SCH for Circuit design.

             

Block Diagram:

       

video: