Infrared Robotic Using Microcontroller

Ahmad Rashidi , Ahmad Fauzy (2007) Infrared Robotic Using Microcontroller. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The project ' Infrared Robotic Using Microconlroller' is to produce robot which will avoid when see the obstacles in front. It's like a small wheel robot that avoids obstacles which it senses with its active infrared sensors. Each rear wheel has its own motor; the single front wheel is not powered. The robot steers "like a tank" by rotating the rear wheels in opposite direction. These robots are controlled using PIC 16F84A Microcontroller. The behaviors of the robot are searching an object in front. The three wheels of the robot were in a triangular configuration. This robot is able to move forward, turn left and tum right. This project deals with the design and construction of robot structure and also the related circuits. The sensors are built with infrared LEOs which are running at 36 kHz and two 36 kHz remote control receiver modules. When the 36 kHz infrared light from the LEOs is reflected by an object, one of the receiver modules will be triggered and the PIC16F84 microcontroller will steer the robot away from the objects by reversing one of the motors. One unit of Cytron servo motor C36S is used as determines direction for the robot. The DC Servo motor is used to move robot forwards and back. PJC 16F84A microcontroller is programmed using PIC Basic PRO programming. MPLAB and P!Cshell software are used to assemble and download machine code into the microcontroller.

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