Our Automatic Microgreens Stand needs a lot of electronic parts, among them a Soil Moisture Sensor. When growing anything; soil, water, light and controlling their quantity becomes very important for good results. There is a lot of information and sensor products available on Internet. Majority of them are inexpensive sensors based on resistive measurement of the soil. These are not cutting it for us – they are not corrosion proof and more importantly, their measurement is soil type dependent. We…
