This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

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

So, Instructables user dr.mcc built a moisture sensor that alerts you when you need to water a plant by using an emoticon. Using an Arduino, a moisture sensor, an LED matrix, and a few other parts ...

It features over 5,400 projects, ranging from simple tutorials — like using a soil moisture sensor with Arduino ... Tinkercad also lets you paste the code for the Arduino and simulate ...