Arduino Measure pH, Dissolved Oxygen, Eelectrical Conductivity, and Temp. (Boekel OpenSourceBio)
How to measure and record pH, dissolved oxygen, electrical conductivity and temperature with the Arduino and OpenSourceBio.
OpenSourceBio Page:
http://www.boekelsci.com/open_source_...
Arduino Library:
https://github.com/BrianCanna/Boekel-...