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Behzad DTMF Remote Controller

نسخه فارسی

I built This Project some years ago. some days ago one of my friend's who has a Wireless server told me that he need a system which be able to Restart his WAP remotely through his office TelLine when WAP is hanged .although he could purchase a system like this from some big electric shop's , I build it for him, usually I like to build and use my own designed system's .in this project I tried to design and build a system with best compatibility with my friend request. but you can use this in many different general purpose. I'm sorry because I was in Hurry and could not design PCB for this project, if u design PCB for it Please send me via my email (I will put it here with your name) .

This picture grabbed with The Nokia N70 , if you wish your digital camera be able to take macro image's place a glass between Lens and the object like here

Project Specification's:

• you can extend output's very simple, only you need to repeat the output stage and modifying code a bit.

• get and check a 4 number long password before login to system.

• change to system setting's like ring before connect and password without any hardware (LCD & Key) and only via Tel Line after succeed login (with pass=1360).

• send suitable tone's at each step's to guide you when using the system remotely .

• inform current relay's state with two suitable tone .

• disconnect Tel Line after 3 unsuccessful login attempt.

• disconnect Tel Line after 10 idle second's past .

• keep setting's like login password and ring number before connect and relay's state after the system restart .

Important Notice :
 to work project fine you must write HEX and EEP file's to the ATMEGA8 and set its fuse's to work on 8MHZ internal oscillator.

Download section :
  you can see project schematic here .

  whatever you need to build this project (HEX+eep+schematic but without C-CodevisionAvr source code you must purchase the code ) is here.

Conclusion:
Please let me know any bug's or your suggestions and I will be so glad if you send me your ideas or any modification's to this project .
and in conclusion, I wish that you build this project and it can be useful for you .
I'm sorry if my English is not very good , I'm a newbie English Student ;) .