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亲爱的TI工程师，
你们好。
最近看到一款体脂秤withings，发现他们的可以从脚底测量心率，感觉很神奇，请问你们这边有没有对应的心率测量技术支持文件，谢谢！
文章分享給你..
http://www.deyisupport.com/question_answer/analog/amplifiers/f/52/t/130984.aspx
有关心率测量的文档请参考http://www.ti.com/tool/tida-00301?keyMatch=heart%20rate&tisearch=Search-EN-Everything
http://www.ti.com/lit/an/slaa280a/slaa280a.pdf
