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بسم الله الرحمن الرحيم
                                                        (وَمَا أُوتِيتُمْ مِنْ الْعِلْمِ إِلاَّ قَلِيلاً)                                                         
   Home      How to make a wireless spy camera
 
         > Project: how to make a wireless spy camera
 
         > Imp. : Abdullah M. Abdul-Hadi
 
         > Date:  17-July-2011
 
 
 
 
 
 
 
 
Introduction:
 
   In this project, the steps of implementing a wireless spy camera are explained in detail. To build a simple wireless camera, you need to have the following:
  • 2 XBee adapter
  • XBee shield
  • XBee explorer
  • JPEG color camera
 
   XBee adapter helps you creating a wireless point-to-point or mesh network. They have error correction, is configured with AT commands, come in multiple flavors and can create a wireless serial link out of the box! The XBee RF Module was engineered to meet IEEE 802.15.4 standards and support the unique needs of low-cost, low-power wireless sensor networks. Its require minimal power and provide reliable delivery of data between devices.
 
 

                                                  Fig.(1): XBee adapter 
 
 
   This module operates within the ISM 2.4 GHz frequency band and are pin-for-pin compatible with each other. Also this module allows a very reliable and simple communication between micro-controllers, computers. Two XBee adapter is used in this project, one at the computer side, and the other at the camera side to send/received the data from computer or camera. The features of the used XBee adapter are:
 
  • 3.3V @ 50mA
  • 250kbps Max data rate
  • 1mW output (+0dBm)
  • 300ft (100m) range
  • Built-in antenna
  • Local or over-air configuration
  • AT or API command set
 
   XBee shield: The XBee Shield simplifies the task of interfacing an XBee with camera. This board works with all XBee modules including the Series 1 and Series 2.5, standard and Pro version. The board also includes LEDs to indicate power and activity on DIN, DOUT, RSSI, and DIO5 pins of the XBee. The reset button is brought out on the shield, and a 12x11 grid of 0.1" holes are available for prototyping.
 
 

                                                Fig.(2): XBee Explorer
 
 
   XBee explorer: This is a simple to use, USB to serial base unit for the XBee line. Also this unit works with all XBee modules including the Series 1 and Series 2.5, standard and Pro version. The purpose from using the XBee explorer to have a direct access to the serial and programming pins on the XBee unit.

 

                                          Fig.(3): Interfacing Camera
 
 
   JPEG color camera: allows you to capture and output JPEG images through UART, it's features:
  • VGA/QVGA/160x120 resolution
  • Support capture JPEG from serial port
  • Default baud rate of serial port is 38400
  • 5V power supply
  • Size 32X32mm
  • Current consumption: 80-100mA
 
 
The Schematic Diagram:
 
   Now,  you have to set the basic configurations of the XBee adapter such as the baud rate, high destination address, and low destination address. The camera and the XBee adapter must have the same baud rate (In this project 38400 is used). Then, connect the camera stuffs together which includes: Camera+XBee Shield+XBee adapter, as shown in Fig.(4).
 
 

                                               Fig.(4): Schematic Diagram
 
 
 

                                             Fig.(5): Wireless Camera
 
 
 
Connect the control/receiving unit which includes: XBee explorer+XBee unit.
 
 

                                          Fig.(6): Receiving/Control Unit

 
Turn on the camera program (LSY201) from your laptop and start taking pictures. Do not hesitate to  Contact me  if you have any question.
 
Watch the Video:
 
 
 
 
 
 
 
 

 

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© 2009-2012, Abdullah M. Abdul-Hadi. All rights reserved