Use an Arduino and Whitebox Labs Tentacle Shield to measure PH.

This video covers the Setup, Calibrate and Use with an Atlas EZ PH Stamp.

The Tentacle shield is a DIY shield that along with an Arduino measures PH, Dissolved Oxygen, Electric Conductivity (E.C. aka Salinity), Oxidation-Reduction Potential (ORP).

LINKS:
Whitebox Labs: [ Ссылка ]

Buy the Tentacle Shield: [ Ссылка ]

All of the other Documentation is available here: [ Ссылка ]

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