Uploaded April 2022 | Updated September 2026, 2 weeks ago

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Project time! Can we hack a cheap blood pressure monitor and use it as a versatile fluid level meter? And which problems do we have to overcome?

My second channel: youtube.com/channel/UCQwyP4Yd0-O49e05kMUJgQQ

Links:
MPS20N0040D Pressure Sensors: https://s.click.aliexpress.com/e/_9Ro4fn
Blood Pressure Monitor: https://s.click.aliexpress.com/e/_ANdoYt
Expensive Blood Pressure Monitor (My wife's): https://s.click.aliexpress.com/e/_AK9ZUz
HX711 Modules: https://s.click.aliexpress.com/e/_AsEmbf
IRLZ44N N-Channel FET: https://s.click.aliexpress.com/e/_AVLvod

The links above usually are affiliate links that support the channel (no additional cost for you).
Supporting Material and Blog Page: sensorsiot.org
Github: github.com/sensorsiot
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