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Wireless Message Communication
between Two Computers
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Introduction
 The aim of this project is ...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Description
 the user attempts to initiat...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Block Diagram
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Hardware Requirements
 2.4GHz transceiver...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
MAX 232
 The MAX232 is an integrated circ...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
DB9 CONNECTOR
 The DB9 (originally DE-9) ...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
555 TIMER
 The 555 Timer IC is an integra...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
PIN DIAGRAM OF 555
The 555 timer IC is a s...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Pc Communication
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
 Plug-and-communicate (no configuration r...
http://www.edgefxkits.com/
Wireless Message Communication between
Two Computers
Future Scope
 This concept in future can ...
http://www.edgefxkits.com/
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Wireless message communication between two computers

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The aim of this project is to develop a system for wireless message communication between two computers using 2.4 GHz trans-receiver units.In offices, communication between employees is essential. This project uses a pair of 2.4 GHz transceiver modules duly powered by 5 volt DC and alarm circuits.They are used for bidirectional real time chat communication from one PC to another wirelessly using hyper terminal.

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Wireless message communication between two computers

  1. 1. Wireless Message Communication between Two Computers
  2. 2. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Introduction  The aim of this project is to develop a system for wireless message communication between two computers using 2.4 GHz trans-receiver units.  In offices, communication between employees is essential.  This project uses a pair of 2.4 GHz transceiver modules duly powered by 5 volt DC and alarm circuits.  They are used for bidirectional real time chat communication from one PC to another wirelessly using hyper terminal.
  3. 3. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Description  the user attempts to initiate a chat, intimation upon that message is received first by a buzzer sound.  There after the other user can start communicating over the chat mode from his PC.  A pair of transceiver modules are connected to the PCs using a DB9 (De-Sub) connector and through serial data cord using RS232 protocol communication between the module and the PC.  An on-board dedicated ac to dc power supply is used at both ends to power the units.
  4. 4. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Block Diagram
  5. 5. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Hardware Requirements  2.4GHz transceiver  Resistors  Capacitors  Diodes  Transformer  Voltage Regulators  555 timers  Transistor  Buzzer
  6. 6. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers MAX 232  The MAX232 is an integrated circuit that converts signals from an RS-232serial port to signals suitable for use in TTL compatible digital logic circuits.  The MAX232 is a dual driver/receiver and typically converts the RX, TX, CTS and RTS signals .  When a MAX232 IC receives a TTL level to convert, it changes a TTL Logic 0 to between +3 and +15V, and changes TTL Logic 1 to between -3 to -15V, and vice versa for converting from RS232 to TTL.
  7. 7. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers DB9 CONNECTOR  The DB9 (originally DE-9) connector is an analog 9-pin plug of the D-Sub miniature connector family (D-Sub or Sub-D).
  8. 8. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers 555 TIMER  The 555 Timer IC is an integrated circuit (chip) implementing a variety of timer and multivibrator applications.  The original name was the SE555 (metal can)/NE555 (plastic DIP) and the part was described as "The IC Time Machine".  Depending on the manufacturer, the standard 555 package includes over 20 transistors, 2 diodes and 15 resistors on a silicon chip installed in an 8-pin mini dual- in-line package (DIP-8)
  9. 9. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers PIN DIAGRAM OF 555 The 555 timer IC is a simple 8 pin DIL package IC. It can:  Be used as a monostable  Be used as an astable  Source or sink 100mA  Use supply voltages of 5v to 15v  Disrupt the power supply - use a decoupling capacitor
  10. 10. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Pc Communication
  11. 11. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers  Plug-and-communicate (no configuration required).  Transparent operation supports existing software & systems.  Simple configuration using software & standard AT commands.  Retries & acknowledgements for guaranteed packet delivery.  RS-232/422/485 protocol & multi-drop bus support.  Peer-to-peer, point-to-point & point-to-multipoint networks.
  12. 12. http://www.edgefxkits.com/ Wireless Message Communication between Two Computers Future Scope  This concept in future can be further enhanced to link more number of systems forming a network.  To dedicated computers such that number of employees can communicate with each other.  Wireless message communication between two computers works only on operating systems having hyper terminal (E.g. Windows XP). The computer must have a RS232 serial port.
  13. 13. http://www.edgefxkits.com/

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