Soil moisture sensor

July 24, 2017Garden, Sensors 5 Comments

Measuring soil humidity to control the garden irrigation I have ordered Vegetronix VH400 – Moisture Sensor Probe. This is very interesting device. It is amazing in particular by the speed of measurement and immediate reaction to the moisture level change. Its power consumption is less than 13mA. However, the supply voltage has to be between 3.5V and 20 VDC which in … Read More