March 2017
Intermediate to advanced
732 pages
15h 24m
English
Analog sensors are devices that are capable of returning an analog signal that is proportional to the measured entity. Then, the analog signal should be converted into a digital one using proper circuitry or, for simplicity, an AD.
A moisture sensor is a device that can change its internal resistance according to the wet intensity of the soil moisture:

The device can be purchased at http://www.cosino.io/product/moisture-sensor or by surfing the Internet. The user guide of this device is available at http://seeedstudio.com/wiki/Grove_-_Moisture_Sensor .
This device is quite similar to the water sensor presented ...
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