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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 06:50, 2 December 2010
, 06:50, 2 December 2010→Measuring Soil Moisture
==Measuring Soil Moisture==
==Measuring Soil Moisture==
Two probes into the soil measured in resistance mode. Only a few cm of wire are required to bring soil within the resistance range of the XO1, 700 ohms to 14k ohms (XO1.5 2k ohms to open circuit).
Two probes into the soil measured in resistance mode. Only a few cm of wire are required to bring soil within the resistance range of the XO1, 700 ohms to 14k ohms (XO1.5, 2k ohms to open circuit).
==Measuring Water Salinity==
==Measuring Water Salinity==