[はてブ] Measuring heart rate with a piezoelectric vibration sensor | Ohnitsch Cartoons


Measuring heart rate with a piezoelectric vibration sensor | Ohnitsch Cartoons

[Arduino][圧電スピーカー] 圧電素子で心拍取得 / LED使うり単純で消費 も少なそう /試してみたい


One Comment
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