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project report on water level indicator using seven segment display


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Created at: Wednesday 17th of October 2012 08:33:20 AM
Last Edited Or Replied at :Saturday 04th of October 2014 01:01:00 PM
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i want a project report on water level indicator by using seven segment display.
thanks.. for the project report.. of water level indicator by using sev..................[:=> Show Contents <=:]



water level indicator using seven segment display ppt


Posted by:
Created at: Wednesday 17th of October 2012 08:31:55 AM
Last Edited Or Replied at :Thursday 18th of October 2012 03:39:04 AM
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i want project report on water level indica..................[:=> Show Contents <=:]



Water-Level Indicator using 7-segment display


Posted by: smart paper boy
Created at: Thursday 28th of July 2011 05:33:00 AM
Last Edited Or Replied at :Thursday 28th of July 2011 05:33:00 AM
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goes high and DIS2 shows ‘H’ indicating half level of water in the tank. At this time, pin 9 of gate N9 also goes low via gate N4 and DIS3 stops glowing. When the water tank becomes full, the voltage at pin 1 of gate N1 and pin 3 of gate N2 goes low. Output pin 3 of gate N7 goes high and DIS1 shows ‘F’ indicating that the water tank is full. When water starts overflowing the tank, pin 13 of gate N6 goes low to make output pin 12. The buzzer sounds to indicate that water is overflowing the tank and you need to switch off the motor pump. Assemble the circuit on a general-purpose PCB and..................[:=> Show Contents <=:]



Study the working decoder for conversion of BCD into 7segment display code


Posted by: seminar class
Created at: Friday 13th of May 2011 06:11:02 AM
Last Edited Or Replied at :Friday 13th of May 2011 06:11:02 AM
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imal output on the display from decimal 0 to decimal 9.
2) The tails of ‘6’ and ‘9’ are not displayed on the display.
3) To display the tails of ‘6’ and ‘9’ IC 74247 i..................[:=> Show Contents <=:]



Microchip Controller based major projects for electronics


Posted by: project topics
Created at: Saturday 16th of April 2011 02:09:18 AM
Last Edited Or Replied at :Saturday 16th of April 2011 02:09:18 AM
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n from PIC 16F877A MCU to PC’s Hyper Terminal using RS-232 Communication using PIC Microcontroller
3. Petrochemical Level Indicator and Controller for Automation of cotton purification process in spinning mills using PIC Microcontroller
4. Real Time Clock based industrial automation using Dallas RTC and I2C protocol using PIC Microcontroller
5. Embedded Rigging free Electronic Voting System with instant results using PIC Microcontroller
6. Coin operated water vending machine with Refrigerator temperature controller with cool / normal water dispenser using PIC Microcontroller
7. Stepper ..................[:=> Show Contents <=:]



PRODUCT COUNTER


Posted by: seminar class
Created at: Friday 25th of March 2011 05:59:08 AM
Last Edited Or Replied at :Friday 25th of March 2011 05:59:08 AM
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nge instead of −55°C to +125°C. The LM311 has a temperature range of 0°C to +70°C.
Features
 Operates from single 5V supply
 Input current: 150 nA max. over temperature
 Offset current: 20 nA max. over temperature
 Differential input voltage range: ±30V
 Power consumption: 135 mW at ±15V
IC 4033
CD4033BMS consists of a 5 stage Johnson decade counter and an output decoder which converts the Johnson code to a 7 segment decoded output for driving one stage in a numerical display.
This device is particularly advantageous in display applications ..................[:=> Show Contents <=:]



AUTOMATIC DOOR In theatres WITH DOWN COUNTER DISPLAY


Posted by: seminar class
Created at: Monday 28th of February 2011 02:22:18 AM
Last Edited Or Replied at :Thursday 04th of April 2013 11:34:57 AM
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man can enter the at time. We use a two digit down counter by using seven segment displays.
The counter is set based on the seat of theater using a button. And one person entered the counter get decremented .when all the seats are occupied by viewers the counting system stop. and it indicate ‘HOUSEFULL’ by using a LED and the door is closed permanently. So no one can enter the theater until the show is finished.
The main advantage of this project is to reduce the rush of people in theater no malpractice held. It also can use in high secured function and other meetings.
BLOCK DIAGRAM..................[:=> Show Contents <=:]



MULITIPURPOSE ELECTONICS DEVICE CUM VISITOR COUNTING SYSTEM PROJECT


Posted by: Zigbee
Created at: Wednesday 18th of August 2010 01:14:08 AM
Last Edited Or Replied at :Wednesday 18th of August 2010 01:14:08 AM
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n the number of persons inside the
room. This section consists of a relay, transistor and appliances.
A relay is an electrically operated switch. Relays find applications where it is necessary
to control a circuit by a low-power signal, or where several circuits must be controlled by one
signal. The relay unit consists of a relay, diode(1N4148) and transistor(BC548). When the
output from the micro controller is high, the transistor is switched on. This in turn switches on
the appliances.

6. WORKING
The 555IC in the transmitter section produces pulses of 38 KHz frequency. These pulses..................[:=> Show Contents <=:]



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