Auto ANswering with security dial -up


This project is based on Atmel 89c51 Microcontroller . As name stands for, it works like an auto answering machine as well as security supervisor for your house or office. You can record 30 second message for answering, so whenever any incomming call comes, device will play your recorded message and disconnect the phone after the message is over. This features is there in all the auto-answering Machines.Microcontroller is also connected with two sensors, fire and inturder, an case if any of the ....etc

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presented by :-
S.K. Kirar


ELECTRONIC EYE WITH DIAL-UP

abstract
Circuit of an Electronic eye based on infra-red Transmitter and Receiver presented here is not affected by either sunlight or other artificial light sources.The Circuit makes use of modulated infra-red light beam which is invisible to the naked eye. As long as the path of infra-red modulated beam between transmitter and receiver is not interrupted by an intruder or object, the local area alarm and telephone dialer section do not operate. Once ....etc

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Hello,
Dear friends i'm a student of electronics engineering and i\m doing a projet that's GSM controlled door latch opener with security dial-up with changeable numbers
Is there any one who'll help me by providing some basic information or providing some stuff related that project such as Circuit diagram, or any project report or any material tha'll guide me for that project

i'll be very garteful

Well i'm waiting for you kind reply Genious Mind Personalities
plz guide me


here is my e-mail id [email protected] ....etc

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Dear friend i m doing my project that is Gsm controlled door latch opener with security dial-up with changeable numbers
so in short i need your help if you or any one have some helping material such as circuit diagram, Final project report, or any material related to that topic plz send me that material or page link from which i get it
i'll be very thankful to you all

here is my e-mail id : omer_waheed7hotmail.com

Best Regards

Reference: http://studentbank.in/report-gsm-controlled-door-latch-opener-with-security-autodial#ixzz1 ....etc

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hi guys
guys i'm still w8ing for anyone's reply

kindly suggest me any solution

if someone have circuit diagram or project report it's my humble request to send that material on my id that is [email protected]

Thanks

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urgent need for the circuit diagram,components list ,working detail for electronic eye with dial up using 8051 ....
kindly help....
thank you ....etc

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Radius is an acronym that stands for Remote Authentication Dial In User Service is a protocol used for applications such as IP mobility and network access “both for local access and roaming access. It is a protocol for Authorization, Authentication and Accounting. RADIUS was originally developed by Livingston Enterprises. But now there exist many commercial and open source RADIUS servers. RADIUS server is responsible for the verification of the login information (Username & Password) that is passed over the RADIUS protocol. It uses any of ....etc

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