https://blog.wongcw.com/2022/05/11/%e6%96%b0%e5%9e%8b%e5%85%89%e6%95%8f%e7%b4%8b%e8%ba%ab%e5%82%b3%e6%84%9f%e5%99%a8%e5%8f%af%e7%94%a8%e6%96%bc%e6%b8%ac%e9%87%8f%e8%a1%80%e6%b0%a7%e6%b0%b4%e5%b9%b3/
新型光敏“紋身”傳感器可用於測量血氧水平