Commercial Smartwatch VS DIY Heart Rate Monitor - 2Q   - Commercial Smartwatch VS DIY Heart Rate Monitor

Commercial Smartwatch VS DIY Heart Rate Monitor

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My smartwatch (affiliate link):

More project information (schematic, pictures, code…..) on instructables:

Parts list (incomplete, see Instructables for more, affiliate links):
1x LiPo Battery:
1x Slide Switch:
1x MCP1700 3.3V Regulator:
1x Grove Heart Rate Sensor: –
1x OLED Display:
1x Arduino Pro Mini:
1x Micro SD Card Board:

In this video I will show you how a commercial smartwatch measures and monitors your heart rate and afterwards I will show you how to create a DIY circuit that can basically do the same with the addition that it can also store the heart rate data on a micro SD card. At the end I will then compare both heart rate monitors in order to find out whether my smartwatch still works fine. Let’s get started!

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