Project presentation Made by Asma pervaiz AMNA SHAHID AYESHA HAMEED.

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Presentation transcript:

Project presentation Made by Asma pervaiz AMNA SHAHID AYESHA HAMEED

Water level alarm Water is the most essential element to life on earth. Safe drinking water is essential to humans and other life forms even through it provides no calories or organic nutrients. HOWEVER some observers have estimated that by 2025 more than half of the world population will be facing water-based vulnerability. That is why we need something that can help us saving water.HENCE for this need we make a water level indicator and a alarm. The presence of water level detector in a reservoir can help control wastage and water inadequacy in such reservoir. The circuit we have constructed is not only used to indicate the amount of water present in the water tank but also gives an alarm when tank is full.

FEATURES: APPLICATIOS: Easy to install. Low maintainance. Compact elegant design. The automatic water level controller assures that no water overflows or dry running of pump there by saves electricity and water. fully automatic, saves man power. Consume very small energy ,ideal for continuous operation. Shows clear indication of water in water level alarm. APPLICATIOS: It is used as leveller in storage tank, boilers to indicate level of water inside. Easily indicate when water level is full by beep sound. It can be used to measure any liquid which is electricity sensitive.

Appratus of Water Level Alarm BATTERY: RESISTOR:

TRANSISTORS: LED’s

BUZZER: BREADBOARD: CONNECTING WIRES:

WORKING OF THE CIRCUIT: We provide a voltage of 12V to the circuit . When there is no water in the container the circuit between any probe is not completed thats why not any LED glows . But when we put some water in the container the connection between the ground probe and probe on level 1 forms due to which current starts flowing in the circuit and the LED at level 1 glows . when we pour some more water than the connection with the probe 2 forms due to which current finds another path to flow and the LED at level 2 glows. But when the water is at its third level which is the level after which the water overflows. The connection with the third probe forms and current starts flowing in all circuit and the LED glows. and with the glowing LED the buzzer will start beeping by which we are aware of that now water is going to overflow and we turns off the motor. in this way by this samall and simple circuit we can prevent wastage of water and energy.

Circuit Daigram

Final look

The end