hello i want the ppt o n bird bell
....etc

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Electric Bell
Coffee call there is a mechanical Bell that operates by means of an electromagnet. When an electric current passes, this produces a repeated buzzing sound or l zga ij. Electric calls are widely used at railway crossings, in phones, fire alarm and security systems, and school bells, door bells, and anxiety in industrial enterprises, but now they are commonly replaced with electronic echo.
Types Of
shortstop Bell
As the circuit breaker type electric Bell works.
The most widely used form is the shortstop Bell, which produces a cont ....etc

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i want embedded c code for automatic college bell project
please send to my mail [email protected] ....etc

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THE SECRET OF BELL
Abstract
This scheme helps identify identify members of your family. Basically it is less a musical Bell to switch activates a tightening of breathing.
The concept of
circuit description
The front end of the chain is a condenser microphone amplifier with fixed sensitivity of transistor T1 amplifies the signal received from the condenser microphone-through capacitor C1.
Zener diode supports power to IC2 at a safe level 3 volts.
circuit components
TRANSFORMER
DIODE
CAPACITOR
RESISTOR
549 BC TRANSISTOR BC 548 &
BATTERY
REGULATOR ....etc

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1962-ലെ ഇന്ത്യ-ചൈന യുദ്ധം 
*ടിബറ്റൻ വിപ്ലവത്തോടനുബന്ധിച്ച് ദലൈ ലാമയ്ക്ക് ഇന്ത്യ അഭയം നൽകിയതിൽ ചൈനയ്ക്കുള്ള വിരോധവും അക്സയ്ക്ക് ചിൻ പ്രവിശ്യയെയും അരുണാചൽപ്രദേശിനെയും ചൊല്ലിയുള്ള തർക്കങ്ങളു� ....etc

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to get information about the topic automatic school bellfull report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-automatic-school-bell?pid=114828#pid114828

http://seminarsprojects.net/Thread-automatic-school-bell ....etc

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This Standalone Hardware device (Computer not required) will ring COLLEGE bell at pre-scheduled times of day (all periods) on each day, of the week. Typically, COM time switch can be used to ring COLLEGE bells. It can also be used for other applications where you want a sound to play at preset times. The Device is for colleges, Educational Institutions, Industries and other business where the Bell timer plays a critical role in running the day. The device shows the real time clock during normal operation and a beep announces each bell. Differen ....etc

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To get full information or details of automatic college bell please have a look on the pages

http://seminarsprojects.net/Thread-automatic-college-bell-ppt

if you again feel trouble on automatic college bell please reply in that page and ask specific fields in automatic college bell ....etc

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To get full information or details of automatic school bell system using 8085 and 555 please have a look on the pages

http://seminarsprojects.net/Thread-automatic-school-bell

if you again feel trouble on automatic school bell system using 8085 and 555 please reply in that page and ask specific fields in automatic school bell system using 8085 and 555 ....etc

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this circuit can be used in mobile.then why we are preffer the bridge rectifer in this project.
this circuit can be used in mobile .then why we preffer bridge rectifer.why any other can use.instead of it
:huh:this circuit can be used in mobile .then why we preffer bridge rectifer.why any other can use.instead of it ....etc

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