This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture ... in the dry soil and measure the resistance value and then pour water and measure it again ...

The soil moisture sensor module , built around the LM393 ... to one analog input (A0) of the Arduino. Here is the test code that indicates the soil wet/dry conditions using just two LEDs (green & red) ...

a 2022 paper by Maja Škiljo and colleagues in Sensors covers an interesting way to make use of this signal attenuation property of changing moisture levels in soil. By quantifying the exact ...

What happens when an engineer builds a smart garden? This Arduino-powered system automates watering while collecting ...