Ankur Rastogi

RF Based Surveillance Robot

As our project deals with RF controlled robot. This robot is prototype for the “Path Finder”. This robot is controlled by a RF remote. This can be moved forward, reverse direction using dc motors of 100RPM. Also this robot can take sharp turnings towards left and right directions. In our project uses ATMEGA 32 MCU as its controller. Also a wireless camera with voice is interfaced to the kit. When the robot is moving on a surface, the images around the robot will be transmitted to remote place. User can monitor the images on Television.The RF modules used here are TX-433 MHz Transmitter, RX-433 MHz Receiver, HT12E RF Encoder and HT12D RF Decoder. The DPDT switches are interfaced to the RF transmitter through RF Encoder. The encoder continuously reads the status of the switches, passes the data to the RF transmitter and the transmitter transmits the data. This project uses 9V battery for transmitter and receiver section and 12v supply for the motors.

RF communication between two microcontrollers

The topic “RF COMMUNICATION B/W MICROCONTROLLERS” utilizes the inbuilt feature of microcontrollers i.e USART(universal synchronous/asynchronous receiver transmitter) the feature been utilized or used by TX and RX module respectively with module constantly receiving the signal from air which goes to the data pin of modules and through it to one of the ports of microcontrollers as with TX we have interfaced push buttons on PORT C of microcontroller and interfaced LEDS with RX such that corresponding communication will be done among the modules.

Line Follower Robot

Line follower robot been made where Atmega 16 is used as microcontroller,IR sensor are used to sense the direction on black and white strip..

Microcontroller (8051) based electronic code lock

With Microcontroller keypad and LCD been interfaced anything pressed on keypad will give output on LCD but in this we have programmed it for particular code if a code is correct then password accepted is displayed on LCD but if it is entered wrong then Another message displayed depends upon the programming.