![Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations](https://innovations.bmj.com/content/bmjinnov/7/4/609/F1.large.jpg)
Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations
A schematic of the signal origin and locations of the two sensors used... | Download Scientific Diagram
![Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations](https://innovations.bmj.com/content/bmjinnov/7/4/609/F2.large.jpg)
Development and validation of a low-cost electronic stethoscope: DIY digital stethoscope | BMJ Innovations
![Esophageal stethoscope, custom-built microphone/amplifier, and Windaq... | Download Scientific Diagram Esophageal stethoscope, custom-built microphone/amplifier, and Windaq... | Download Scientific Diagram](https://www.researchgate.net/publication/334592707/figure/fig1/AS:961741353668609@1606308415176/Esophageal-stethoscope-custom-built-microphone-amplifier-and-Windaq-analog-to-digital.jpg)