A certain chemical processing plant has different chemicals stored in three diff

Question

A certain chemical processing plant has different chemicals stored in three different tanks as shown in Fig 1. A level sensor in each tank produces a digital output HIGH when the level drops below a specified level. A microcontroller is required to control three valves (V1, V2 and V3) when any two or all the tanks drop below the minimum level. To open a valve the corresponding digital output should be HIGH and it should be LOW to close it The mbed microcontroller is used to control the system Write the program that can be used to control the system. Use buses to solve the problem V1 mbed Sensor 3 Sensor 2 Sensor 1 Tank 3 Tank 2 Tank 1 26 25

Explanation / Answer

CODE:

#include “mbed.h”

Int main ( )

Digital out D out (A 18);

Digital in Din (A16);

Digital in Din (A17);

{

                If

                (A15 & A16)/(A16 & A17)/(A17 & A15)=1

                Dout (A18)=1;

                Else

                Dout (A18)=0;

}

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