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Homebrew Hydrometer

by brendonbuilds

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beer brewing homebrew homebrewing Hydrometer beer brewing homebrew homebrewing Hydrometer

Here is my 'final' version of my homebrew hydrometer. As the specific gravity of your homebrew changes, so does the angle at which the hydrometer floats. You can then use Matlab to solve a non-linear regression to create the parameters to convert the angle to specific gravity.

BOM:

ADXL345 accelerometer: https://www.amazon.com/gp/B0151FIBZO
HUZZAH ESP8266: https://www.amazon.com/dp/B0131V0WYI
18650 battery holder: https://www.mouser.com/ProductDetail/534-1043
PETG 5L preform: https://ww

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