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

Commercial Smartwatch VS DIY Heart Rate Monitor

Choose DHL for Fast Ship PCBs on JLCPCB: https://jlcpcb.com/?ref=greatscott
Previous video: https://youtu.be/PKowvbnIxso
Facebook: https://www.facebook.com/greatscottlab
Twitter: https://twitter.com/GreatScottLab
Support me for more videos: https://www.patreon.com/GreatScott?ty=h
My smartwatch (affiliate link): https://amzn.to/3aw1JGo

More project information (schematic, pictures, code…..) on instructables: https://www.instructables.com/id/DIY-Heart-Rate-Monitor-logger

Parts list (incomplete, see Instructables for more, affiliate links):
Aliexpress:
1x LiPo Battery: https://s.click.aliexpress.com/e/_d6jtyKS
1x Slide Switch: https://s.click.aliexpress.com/e/_dYGop3Y
1x MCP1700 3.3V Regulator: https://s.click.aliexpress.com/e/_d8ldQ90
1x Grove Heart Rate Sensor: –
1x OLED Display: https://s.click.aliexpress.com/e/_BffOD3gi
1x Arduino Pro Mini: https://s.click.aliexpress.com/e/_d62ALdV
1x Micro SD Card Board: https://s.click.aliexpress.com/e/_dVMMRTg

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!

Thanks to JLCPCB for sponsoring this video
Visit https://jlcpcb.com to get professional PCBs for low prices

Music:
2011 Lookalike by Bartlebeats

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