IoT Based screening machine for Covid 19 and other pulmonary diseases IMG-20200807-WA0020IMG-20200807-WA0020IMG-20200810-WA0017IMG-20200810-WA0017IMG-20200807-WA0016IMG-20200807-WA0016IMG-20200807-WA0015IMG-20200807-WA0015IMG-20200810-WA0024IMG-20200810-WA0024IMG-20200807-WA0017IMG-20200807-WA0017IMG-20200807-WA0019IMG-20200807-WA0019IMG-20200805-WA0018IMG-20200805-WA0018IMG-20200807-WA0018IMG-20200807-WA0018IMG-20200810-WA0018IMG-20200810-WA0018IMG-20200810-WA0019IMG-20200810-WA0019