thecavepearlproject.org - Underwater Arduino Data Loggers

Description: Early in 2011 it became clear that open-source micro controllers had the potential to replace expensive commercial sensor units with cheap  & cheerful DIY equivalents -provided someone was willing to dedicate the time.  In January 2014, we started a small blog recording the development of a simple water flow sensor using the Arduino platform. The…

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Dr. Beddows observing vortex induced sway of a flow sensing unit. The hydrometric pendulum idea also works in a “float & anchor” configuration: allowing us to  deploy them in  open water environments .

Early in 2011 it became clear that open-source micro controllers had the potential to replace expensive commercial sensor units with cheap  & cheerful DIY equivalents -provided someone was willing to dedicate the time.  In January 2014, we started a small blog recording the development of a simple water flow sensor using the Arduino platform. The project has grown since then, and those crude early attempts have been refined into a generic data logging platform   which can be configured for many different  e

The basic 3-module plan uses a  ‘lowest common denominator’ approach, and this means any component in the build, including the Arduino itself , can be changed to suit available parts without requiring a significant re-write of the code.  Our performance benchmark is at least one full year of operation on standard AA batteries. With this foundation, we are deploying sensor prototypes in wetlands, coastal waters and flooded caves; focusing on hydrology because of the crucial role  water resources play in sust

Links to thecavepearlproject.org (4)