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Bluetooth Robot with CMOS image sensor (SPY ROBOT)

Bluetooth Robot with CMOS image sensor (SPY ROBOT)

The main aim of this project is to control the robot direction through blue tooth module which is connected to PC USB port and monitor the area scanned by camera which is mounted on robot. These Bluetooth modules are more reliable, secure and low power modules and these modules do not require line of sight also. We can use mobile Bluetooth by developing some applications or we can use normal USB blue tooth dongles by connecting to PC.

Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands (1 MHz each; centered from 2402 to 2480 MHz) in the range 2,400–2,483.5 MHz (allowing for guard bands). This range is in the globally unlicensed Industrial, Scientific and Medical (ISM) 2.4 GHz short-range radio frequency band. It usually performs 800 hops per second, with Adaptive Frequency-Hopping (AFH) enabled.

This project describes a new economical solution of robot control systems. The presented robot control system can be used for different sophisticated robot applications. The system can be viewed as two different modules- transmitter and receiver sections. The transmitter module consists of PC, USB Bluetooth dongle, audio video camera receiver to receive the data from camera which is mounted on robot. The direction of the robot will be controlled by selecting the respective option from HyperTerminal, and then this terminal option will be transferred to receiver through blue tooth module

On the other hand, the receiver module receives the transmitted data and passes the data to the microcontroller. Thus, the microcontroller changes the direction of the robot according to the specified command. Since the microcontroller cannot drive the motors (used for robot) directly, L293D is used as a driver to provide the sufficient current required for the motors.

The robot will be equipped with camera and its transmitter.. The output of the camera is given to the television where the entire view of the predefined location can be viewed all the time.

Bluetooth Robot with CMOS image sensor (SPY ROBOT) Block diagram:



Software Tools:

  1. Keil compiler
  2. Orcad.
  3. Proload


Hardware Tools:

  1. Microcontroller AT89S52.
  2. PC
  3. Motors and driver circuit
  4. Bluetooth USB dongle and Bluetooth receiver
  5. Camera and image transmitter and receiver.