If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture ... I love all about electronics, circuit diagrams and crazy projects that can help us ...

Soil moisture sensors are cheap and easy to interface with, to the point that combining one with an Arduino and blinking ... accomplished with a simple circuit that only wakes the microcontroller ...