An open-source stethoscope that costs between $2.5 and $5 to produce

[0x54MUR41]

Article URL: GitHub - GliaX/Stethoscope: A research-validated stethoscope whose plans are available Freely and openly. The cost of the entire stethoscope is between $2.5 to $5 to produce

Comments URL: An open-source stethoscope that costs between $2.5 and $5 to produce | Hacker News

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