这是一部很好的，学习单片机的资料集，有兴趣的同学，可以下载下，谢谢！-only want to pull your fingertip, circles Earth last

关于指尖识别的一些文献，都是从学校图书馆下下来的，外面下的话都是要缴费的，仅供大家学习参考。-Identification of some of the literature on the fingertip, are down from the school library next, then the next is to pay out, only for them to learn information.

This paper proposes a low cost method for the esti-mation of blood parameters using photo-plethysmography (PPG) technique. Data is obtained non-invasively the fingertip, which is processed to estimate the heart rate and the hemoglobin concentration.