Activities/Turtle Art/Using Turtle Art Sensors: Difference between revisions
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==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 700 ohms to 14k ohms | 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 700 ohms to 14k ohms | ||
==Measuring Water Salinity== | |||
Place two copper wires into a glass of water. Experiment with your water and wire diameter, I was able to get a measurement of 5k ohms with 12cm of wire in tank water. | |||
==Links== | ==Links== | ||