Custom Piezo Sensor for Stethoscope | Clearer Heart & Lung Sounds

"Discover how we designed and tested a high-sensitivity piezoelectric sensor for stethoscope applications. This DIY biomedical engineering project shows step-by-step how to build and validate a custom analog front-end for capturing detailed heartbeats and breathing sounds. You’ll learn about: ✅ Testing ✅ Analog signal path design ✅ Noise filtering (50 Hz AC rejection) ✅ USB ADC recording with Audacity ✅ Real-time signal visualization Main components: AD8605ARTZ (low-noise op-amp), AD8226ARMZ (instrumentation amplifier). *More about us:* Droid Technologies - https://droid-technologies.com Clutch - https://clutch.co/profile/droid-technologies#reviews GoodFirms - https://www.goodfirms.co/company/droid-technologies-llc Follow us on LinkedIn - https://www.linkedin.com/company/droid-technologies/