hi ,
this is vishnu. I want the water level indicator ckt using 4066 urgently.can anyone help me please. ....etc

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AUTOMATIC WATER LEVEL INDICATOR


INTRODUCTION:
Generally most houses and buildings have two water tanks, one situated on the roof and another one on the ground or sometimes underground. The received water supply is allowed to fill the lower tank first, and a water pump motor is then switched ON manually so that the water from the lower tank is pumped and shifted into the upper tank on the roof. Once the water from the lower tank is completely transferred into ....etc

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Shridhan Drum Scale liquid level indicator is a mechanical device to measure the level of liquids stored. ....etc

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SHRIDHAN manufactures products that are customized to the need of the customer. Different products have different dimensions, length and physical features. ....etc

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INTRODUCTION
 Water resources are the sources of water , only 1% of water is potentially utilized by human beings.
 Project deals with conserving water in overhead tanks.
 Water level in the over head tank is continuously displayed on LCD.
 Motor is automatically controlled according to the level of the water.
 Manual switching of motor is carried by using keypad.
BLOCK DIAGRAM
MICRO CONTROLLER
 A microcontroller is a general purpose device, but that is meant to re ....etc

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please give me the relevant material for level indicator project using IC 555 in PDF file . ....etc

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This water-level indicator uses a 7-segment display, instead of LEDs, to indicate the water level (low, half and full) in the tank. Moreover, a buzzer is used to alert you of water overflowing from the tank. The circuit shows the water level by displaying L, H and F for low, half and 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 ....etc

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give information and project report on it
....etc

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Water Level Indicator With Alarm


Here is a simple, versatile circuit
which indicates the level of
water in a tank. This circuit produces
alarm when water level is below
the lowest level L1 and also when water
just touches the highest level L12. The
circuit is designed to display 12 different
levels. However, these display levels
can be increased or decreased depending
upon the level resolution required. This
can be done by increasing or decreasing
the numb ....etc

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Choosing a Microcontroller
 As it provides on chip microprocessor, RAM, ROM, Parallel I/O port, Serial I/O port etc. hence its cost is less, size is less, power consumption is less and speed is more.
 Software development tools like assembler, C compilers etc are easily available and are easy to upgrade.
....etc

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