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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 proj..................[:=> 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..................[:=> 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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gh. As a result, positive supply is applied to DIS3 and it shows ‘L’ indicating low level of water in the tank. Similarly, when water in the tank touches the half level, pins 4 and 5 of AND gate N8 become high. As a result, its output also 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..................[:=> 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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b]
1) When BCD inputs from 0000 to 1001 are applied at the input terminals, the IC produces equivalent outputs at its output terminals from a–g. The 7–seg display is common anode type.
2) Suppose BCD input is DCBA = 0101. It is equivalent to decimal 5. This input is converted into equivalent 7–seg code by the IC and its outputs abcdefg = 0100100. For the input DCBA = 1000, all segments of the display will glow to show decimal 8 and outputs abcdefg = 0000000 and so on.
Conclusion –
1) When corresponding BCD inputs are applied from 0000 to 1001, we get decimal output on the d..................[:=> 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
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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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A high RESET signal clears the decade counter to its zero count. The counter is advanced one count at the positive clock signal transition if the CLOCK INHIBIT signal is low. Counter advancement via the clock line is inhibited when the CLOCK INHIBIT signal is high. The CLOCK INHIBIT signal can be used as a negative-edge clock if the clock line is held high. Antilock gating is provided on the JOHNSON counter, thus assuring proper counting sequence. The CARRY-OUT (Cout) signal completes one cycle every ten CLOCK INPUT cycles and is
used to clock the succeeding decade directly in a multi-decade ..................[:=> 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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h the counter is given to the two driver ICs respectively there are only four outputs from the counter ICs from driver ICs these output is passed to the seven segments through seven pins the seven segments consist of ten pins. By this the display works efficiently. At the same time the output from the counter is fed to the two OR gates and the output from the both OR gate is fed to another OR gate and the output from this OR gate is fed toe the AND gate with another input from the output of SR f-f. From this AND gate the tip is connected to open the door. The output from the OR gate which has ..................[:=> 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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o that little circuit changes are required after designing
the PCB.
9.1 SOLDERING:
Before soldering, all the discrete components are tested. The leads of the components are
cleaned with a fine abrasive paper. The PCB also thoroughly cleaned by scratching the areas to
be soldered. The leads of the components are bend properly, inserted into the holes and placed
correctly. A small quantity of flux is applied to the component leads and pads to remove the
oxide coating. The leads are soldered with good quality solder with sufficient heat from the
soldering iron. Excess heat will result in ..................[:=> Show Contents <=:]



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