Journal of Sensors / 2020 / Article / Fig 5

Research Article

Wireless Photoplethysmography Sensor for Continuous Blood Pressure Biosignal Shape Acquisition

Figure 5

Developed devices. (a) Finger clip optical pulse sensor. (b) Analogue preprocessing. (c) Arduino Beetle board. (d) ESP8266 Wi-Fi module. (e) Wireless PPG sensor module implementation.
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(b)
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