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simple touch alarm using ic 555


Posted by:
Created at: Monday 10th of March 2014 05:11:53 PM
Last Edited Or Replied at :Monday 10th of March 2014 05:11:53 PM
simple touch alarm using ic 555 ,
abstract or information reg..................[:=> Show Contents <=:]



abstract of touch alarm using ic 555


Posted by:
Created at: Monday 10th of March 2014 07:56:24 AM
Last Edited Or Replied at :Monday 10th of March 2014 07:56:24 AM
simple touch alarm using ic555 , touch alarm using ic 555, simple touch alarm using ic 555 ,
abstract for touch alarm using ic555
bhavana
i need an abstract for touch alarm using ic555..................[:=> Show Contents <=:]



simple touch alarm circuit using ic 555 ppt


Posted by:
Created at: Monday 15th of July 2013 10:20:04 AM
Last Edited Or Replied at :Monday 10th of March 2014 05:09:22 PM
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i want circuit diagram and ..................[:=> Show Contents <=:]



MAGIC EYE ALARM


Posted by: seminar class
Created at: Friday 22nd of April 2011 11:27:43 PM
Last Edited Or Replied at :Thursday 20th of June 2013 12:17:18 AM
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OBSERVATION&ANALYSIS
Electronic eye circuit works as light intensity indicator.
Speaker will be activated.
FUTURE SCOPE
We can increase the range of this equipment by using better sensor.
We can use this as Remote Controller.
MERITS
Low cost
Easy to construct
Portable
Low power consumption
Real time applications
DEMERITS
It is difficult to work with this equipment if there is no sufficient lighting conditions.
Unnecessary disturbances may occur while using in the Apartments
APPLICATIONS
It can be used as an automatic guest indicator..................[:=> Show Contents <=:]



CELL PHONE CONTROLLED AUDIOVIDEO MUTE SWITCH


Posted by: seminar class
Created at: Tuesday 15th of March 2011 12:13:49 AM
Last Edited Or Replied at :Wednesday 20th of April 2011 01:46:06 AM
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e LM317 is designed with superior output tolerances. For a fixed voltage application, the control pin will typically be biased with a fixed resistor network, a Zener diode network, or a fixed control voltage from another source. Manufacturer datasheets provide standard configurations for achieving various design applications, including the use of a pass transistor to achieve regulated output currents in excess of what the LM317 alone can provide.
• LM317 is available in a wide range of package forms for different applications including heatsink mounting and surface-mount applications. Commo..................[:=> Show Contents <=:]



Random Flasher for 8 LEDs Project


Posted by: project topics
Created at: Saturday 03rd of April 2010 10:58:22 AM
Last Edited Or Replied at :Saturday 03rd of April 2010 10:58:22 AM
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istors are not required for the LEDs because the 4026 IC limits the current to about 5mA for each one.

Parts Required ¢ resistors: 10k, 47k ¢ 555 timer IC ¢ capacitor: 1µF 16V radial ¢ 4026 counter and display driver IC..................[:=> Show Contents <=:]



timer circuits using latches


Posted by: naveenchinnu
Created at: Tuesday 23rd of March 2010 08:07:21 AM
Last Edited Or Replied at :Saturday 30th of October 2010 02:16:18 AM
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i need a RTL schematic, verilog code for designing timer circuit using latches..................[:=> Show Contents <=:]



liquid level Alarm


Posted by: electronics seminars
Created at: Saturday 09th of January 2010 06:31:42 AM
Last Edited Or Replied at :Saturday 09th of January 2010 06:31:42 AM
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simple circuit for Liquid level alarm. It is built Around two BC547 transistors(T1 and T2) and two timer 555 ICs (IC1and IC2). Both IC1 and IC2 are wired in astable multivibrator mode. TimerIC1 produces low frequency, while timer IC2 produces high frequency. As a result, a beeping tone is generated when the liquid tank is full. Initially, when the tank is empty, transistor T1 does not conduct. Consequently, transistor T2 conducts and pin 4 of IC1 is low. This low voltage disables IC1 and it does not oscillate. The low output of IC1 disables IC2and it does not oscillate. As a result, no sound i..................[:=> Show Contents <=:]



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