low-cost groundwater detection - science hack day 2014
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Low-Cost Groundwater Detection
Science Hack Day 2014
Mika McKinnon, Alice Pevyhouse, Jeremy Wong, Anita Hartwith extra help from Christoph, Matthew, Brian, Chris and others
Things you need
wires
electrodes
power source
voltmeter
To measure resistivitySpace electrodes evenly
To measure resistivityInject current in OUTER pair
To measure resistivityMeasure voltage across INNER pair
To measure resistivityMATH!
To measure resistivityMATH!
To measure resistivityMATH!
To measure resistivity
As distance a
increases, the
depth of signal
increases
Recap• Low-cost groundwater
detection is necessary to measure groundwater usage on a wide scale !
• The Arduino was chosen to use for data logging purposes
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