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The same circuit can be used with a different type of physical interfaces as well. Instead of the velostat material as a variable resistor we can use a layout of wires known as a 'moisture sensor'. | The same circuit can be used with a different type of physical interfaces as well. Instead of the velostat material as a variable resistor we can use a layout of wires known as a 'moisture sensor'. | ||
We can hookup our moisture sensor to the circuit above instead of the velostat sandwiched between two electrodes. | We can hookup our moisture sensor to the circuit above instead of the velostat sandwiched between two electrodes. | ||
[https://www.youtube.com/watch?v=DT6nZsixP0M Here] is a video showing how to build a moisture sensor. | [https://www.youtube.com/watch?v=DT6nZsixP0M Here] is a video showing how to build a moisture sensor. |