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    Experiment 3 (A) : Washing Machine Control Using Basic AND & NOT Gates

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    Divyanshu Bose
    This document describes an experiment to build a logic circuit for controlling a washing machine using AND and NOT gates. The circuit ensures that the water valve turns on when the door is closed and water level is low, the heater turns on when the door is closed, water level is high, and temperature is low, and the motor turns on when the door is closed, water level is high, and temperature is right. The experiment involves constructing the circuit in a simulator, validating it works as intended, and verifying the output matches the truth table. The purpose is to learn how to apply combinational logic circuits to real-world applications.

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    Experiment 3 (A) : Washing Machine Control Using Basic AND & NOT Gates

    Uploaded by

    Divyanshu Bose
    707 views2 pages
    This document describes an experiment to build a logic circuit for controlling a washing machine using AND and NOT gates. The circuit ensures that the water valve turns on when the door is closed and water level is low, the heater turns on when the door is closed, water level is high, and temperature is low, and the motor turns on when the door is closed, water level is high, and temperature is right. The experiment involves constructing the circuit in a simulator, validating it works as intended, and verifying the output matches the truth table. The purpose is to learn how to apply combinational logic circuits to real-world applications.

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    Experiment 03(a)

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    This document describes an experiment to build a logic circuit for controlling a washing machine using AND and NOT gates. The circuit ensures that the water valve turns on when the door is closed and water level is low, the heater turns on when the door is closed, water level is high, and temperature is low, and the motor turns on when the door is closed, water level is high, and temperature is right. The experiment involves constructing the circuit in a simulator, validating it works as intended, and verifying the output matches the truth table. The purpose is to learn how to apply combinational logic circuits to real-world applications.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    707 views2 pages

    Experiment 3 (A) : Washing Machine Control Using Basic AND & NOT Gates

    Uploaded by

    Divyanshu Bose
    This document describes an experiment to build a logic circuit for controlling a washing machine using AND and NOT gates. The circuit ensures that the water valve turns on when the door is closed and water level is low, the heater turns on when the door is closed, water level is high, and temperature is low, and the motor turns on when the door is closed, water level is high, and temperature is right. The experiment involves constructing the circuit in a simulator, validating it works as intended, and verifying the output matches the truth table. The purpose is to learn how to apply combinational logic circuits to real-world applications.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    DIGITAL ELECTRONICS LAB

    EXPERIMENT 3 (a)
    Washing machine control using basic AND & NOT gates
     AIM
    To construct logic circuit of washing machine control using a generalized simulator
    and verify its output.

     THEORY

    o When logic gates are connected together to produce a specific output for certain
    specific combinations of input variables, with no storage involved, the resulting
    circuit is called as a Combinational logic circuit.
    o In this experiment, we have to make a combinational logic circuit for washing
    machine control application with following logical reasoning:
     For turning ON of any of the output devices, the washing machine door/lid
    should be closed at any point of time, so only last four cases of the truth table
    should to be considered where D takes a value 1.
     If door is closed & water level is LOW, the water valve should be turned ON.
     If door is closed, water level is satisfactory (HIGH) & the temperature is low,
    the heater should be turned ON.
     Whereas when the door is closed, water level is satisfactory and the
    temperature is right, the motor should turn ON.

     PROCEDURE

    1. Turn On/OFF the inputs, D, L and T according to the truth table.


    2. Note the output for various combinations of input.
    3. Validate that the design works as per the problem statement: The motor of
    the washing machine turns ON when the right temperature, the right water
    level and obviously when the door of the machine is closed.
    4. Using simulator build the washing machine control circuit and verify the
    result.

     OBSERVATION

    Considering the logical reasoning given, we get the following Boolean expressions:
     Water Valve (V) = D.L'
     Heater (H) = D.L.T'
     Motor (M) = D.L.T
    CIRCUIT DIAGRAM

    TRUTH TABLE

     RESULT
    Used AND and NOT logic gates to construct logic circuit of washing machine control
    and verified the result.

     LEARNING OUTCOME

     In this experiment we used combinational logic circuit for washing machine


    control.
     With the help of this experiment, we learned how to use logic circuit for real-life
    application.

    DIVYANSHU BOSE
    191210019
    CSE- 2ND YEAR
    NIT DELHI

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