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In this tutorial, we will make our own Heart Rate/BPM Meter using HRM-2511-E Easy Pulse Sensor & Arduino & also check Photoplethysmography wave. There are many low-cost pulse sensor available in the market which can be used to make the Pulse BPM Monitoring System. We already discussed few Pulse Sensors like Simple pulse Sensor & MAX30100 Pulse Oximeter in previous Articles. But when it comes to accuracy and stability, the sensors are not reliable. The sensor value fluctuates so much and doesn’t give a proper reading if you move or misplace the fingers.
This is the reason why we need to use some good Pulse Sensor. In my opinion, the most stable & better pulse sensor is the HRM-2511-E Based Pulse Sensor as it comes with a shell or cover. The Easy Pulse Sensor HRM-2511-E is a better version of Pulse Sensor which gives more accurate and better results compared to World Famous Pulse Sensor & MAX30100.
In this project, we will interface Easy Pulse Sensor with Arduino & OLED Display. We will observe the PPG waveform on Serial Plotter using some Arduino example code. We will then display the Pulse Rate or BPM Value on a 0.96″ OLED Display. The sensor is very good if you want to learn about Photoplethysmography or PPG waves using Arduino.
Source Code/Program & Project Page: how2electronics.com/heart-rat...
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