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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 :Thursday 18th of October 2012 03:37:57 AM
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i want a project report on water level indicator by using seven segment display.
thanks.. for the pro..................[:=> 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 seven seg..................[:=> 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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full, respectively. The circuit uses five sensors to sense the different water levels in the tank. Sensor A is connected to the negative terminal (GND) of the power supply. The other four sensors (B through E) are connected to the inputs of NOT gate IC 7404. When there is a high voltage at the input pin of the NOT gate, it outputs a low voltage. Similarly, for a low voltage at the input pin of the NOT gate, it outputs a high voltage. When the tank is empty, the input pins of IC 7404 are pulled high via a 1-mega-ohm resistor. So it outputs a low voltage. As water starts filling the tank, a low ..................[:=> 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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open collector outputs.
And for common cathode LED display, the ICs are IC 7448, IC 74248, IC 7449 etc. They have active high, open collector outputs.
Working of the circuit –
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 wi..................[:=> 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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ion 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 Motor Control using PIC Microcontroller for robotic applications
8. Speed and Direction Control of DC Motor using PIC Microcontroller using PWM and H – Bridge
9. Electronic Complai..................[:=> 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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segment display CE c5611
COMPONENT DETAILS
 LM 311

General Description
The LM111, LM211 and LM311 are voltage comparators that have input currents nearly a thousand times lower than devices like the LM106 or LM710. They are also designed to operate over a wider range of supply voltages: from standard ±15V op amp supplies down to the single 5V supply used for IC logic. Their output is compatible with RTL, DTL and TTL as well as MOS circuits. Further, they can drive lamps or relays, switching voltages up to 50V at currents as high as 50 mA.
Both the inputs and the outputs..................[:=> 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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n 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 the count reach 0 and the counting stops. When the count is stopped the door is closed until the show is completed. If the show is finished the door is made open for people to left from the theatre.
The output from both 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 throug..................[:=> 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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he 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 improper soldering and may damage the component.
9.2 TESTING
After soldering the components on to the PCB, the board is thoroughly cleaned for any All the
joints are checked after the soldering. Residual flux and wire leads. All the components are
checked for their value and for the..................[:=> Show Contents <=:]



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