September 2017
Intermediate to advanced
206 pages
4h 34m
English
One of the parameters of gardening is soil moisture. We should measure soil moisture to ensure our plant grows well. There are many options when it comes to soil moisture sensors. You can use the SparkFun Soil Moisture Sensor, for example. You can find this module at https://www.sparkfun.com/products/13322 .
You can see the SparkFun Soil Moisture Sensor in the following image:

You can use other soil moisture sensors from cheap manufacturers in China. You can order them from Alibaba or Aliexpress.
To read soil moisture values, we can use analog I/O. To use analog I/O, you should be familiar with the following Sketch APIs: ...
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