automatic water(motor) controling system
TRANSCRIPT
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BANGLADESH ARMY UNIVERSITY OF ENGINEERING AND TECHNOLOGY
QADIRABAD, NATORE
Department Of Computer Science & Engineering Faculty of Electrical and Electronic Engineering
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AUTOMATIC WATER LEVEL CONTROLLER
PRESENTED BY:
S.M. SHOFIKUZZAMAN SUMON
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OBJECTIVE• 1.Over Flow Problems.• 2.To prevent wastage of water.• 3.To prevent wastage of energy.• 4.Attentation and observation.• For sustainable use of water and judicious
use of electricity.
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COMPONENTS REQUIRED
Power SupplyNE 555 timer ICResistors Relay (6V)BC 547 transistor DiodeBuzzerLEDBatteryConnecting wireIC
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TRANSFORMER
• A centre-tapped step-down transformer is used to provide a suitable voltage to the full-wave rectifier
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DIODE
• A diode is a specialized electronic component with two electrodes called the anode and the cathode. Most diodes are made with semiconductor materials such as silicon, germanium, or selenium.
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NE 555 TIMER IC• Ground.• Trigger.• Output.• Reset.• Vcc.• Discharge.• Threshold.• Control.
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FULL-WAVE RECTIFIER
• The full wave rectifier consists of four rectifier diodes and one 2000µF,one 1000µF capacitors. 100 Ohm resistor.It is used to convert the AC supply into pulsating DC.
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REGULATOR IC
• Connected to the rectifier outputs are voltage regulators IC 7805. It is also used to supply the DC voltage to support current flow between the metallic contacts.
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TRANSISTORS
• Transistors are semiconductor devices used to amplify and switch electronic signals and electrical power. At least three terminals for connection to external circuit are present.
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RESISTOR
• A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
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BUZZER
• A buzzer or beeper is an audio signalling device.
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RELAY
• The relay used here is a Single Pole Double Throw (SPDT) relay. • It use as a switch in this
project.• It is a 6v Relay . When it get
maximum voltage from 555 timer it start the motor or water pump automatically.• When it get low(less than 6v or
0v)from 555 timer it turn off the motor or water pump.
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LED
• Three LEDs are used to indicate water level -
Upper level. Middle level.
Lower level.
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Working Principle Water level controller
1/3 VccReset pinThree levelHigh outputLow outputRelay circuit closedRelay circuit open
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Circuit
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FUTURE WORK
Set up a digital meter.
Add display
Using Microcontroller
Using Adriano
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CONCLUSION:
This system is very beneficial in rural as well as urban areas. It helps in the efficient utilization of available water sources. If used on a large scale, it can provide a major contribution in the conservation of water for us and the future generations.
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