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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 rep..................[:=> 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 indicator by using sev..................[:=> 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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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 enclose in a suitable box. Use a non-corrosive material such as steel strip for the five sensors and hang them in the water tank as shown in the circuit diagram. Use regulated 5V to power the..................[:=> 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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ing IC 7447/7448.
Aim – to study the working decoder for conversion of BCD into 7–segment display code.
Apparatus – IC 7447/7448, 7–segment common anode LED display, circuit board, power supply +5V DC, connecting wires, soldering iron, cutter etc.
Circuit diagram




Procedure –
1) You are given IC 7447/7448 and the 7–segment common anode LED display. Identify them with their proper pin configurations.
2) Switch on the power supply of the circuit.
3) Connect different BCD..................[:=> 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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and Direction Control of DC Motor using PIC Microcontroller using PWM and H – Bridge
9. Electronic Complaint Record System with Administrator Play Back using PIC Microcontroller
10. Temperature Monitoring on Seven-segment Display using PIC Microcontroller for industrial boilers and ovens
..................[:=> 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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its performance is specified over a −25°C to +85°C temperature range 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 displa..................[:=> 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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sed are of 12V when the reset pin of SR f-f is high the door opens and when set pin of f-f is high the door is closed. The invert output of the f-f is fed to the clock of the counter IC4510. Here two counter IC used. When the clock is high the counter IC1 get enable. The clock out pin of the IC1 is connected to the clock pin of IC2 in IC1 except clock pin all other pins are kept low but in IC2 except clock pin and A2 pin all other pins are low. It helps the counter to count from 20 onwards. Here we are implementing a down counter which counts from 20. When 20 peoples had entered the theater th..................[:=> 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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of power. Motion detectors cause lights to turn on after entering the room and off after no movement is detected for a certain amount of time. This unit is efficient; however, energy is loss due to the presence and absence of movement in a
particular room by the sensor continuously activating on or off. Unneeded cycling uses more power and defeats the intended purpose of saving energy. The ALCD will save energy by eliminating false conditions, thereby minimizing light cycles. The ALCD will use two infrared beams, a digital counter as part of the control unit, and a controllable switch/relay ..................[:=> Show Contents <=:]



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