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 microcontroll
A very basic and easy to make arduino PC oscilloscope.Features: samples/second Auto trigger Frequency counter Reasonably accurate voltage readings Optional: selectable voltage range:
In this instructable you will learn how to use the Arduino microcontroller chip as a stand-alone microcontroller. They cost only 2 bucks, can do the same.