Digital Stethoscope

The iconic medical sensor the stethoscope is attached to a smartphone and connected to the cloud for a specific diagnosis task, finding children's pneumonia worldwide.  " ...  the goal of the team is to enable early diagnosis of an overlooked childhood killer: pneumonia. Using a specially designed microphone called a “stethomic” that plugs into the smartphone’s audio jack and an app that guides users through the proper method for listening to a patient’s breathing, early testing shows promising at accurately detecting the disease.  And it’s expected to cost only $20.... "