LED功放灯跟从功放电路输出音量的大小来闪亮,LED light power amplifier circuit to follow the size of the output volume to shining

Photoplethysmograph by Sara Sieg and Bill Ziebold ECE 345 This project was to design and build a photoplethysmograph. This device can be used to determine heart rate using a volume measurement of blood in the arteries and capi

体绘制中视点和光源的协同优化Volume Rendering collaborative optimization viewpoint and light source-Volume Rendering collaborative optimization viewpoint and light source

revolution in this industry is the use of green light reflection photoplethysmography (PPG) which can be measured with a watch worn on the wrist. With PPG, heart rate is detected through measurement of changes in blood volume using either trans