I’ve switched completely to using Eclipse for my Arduino projects. I was already comfortable with Eclipse for other projects so it felt good returning to it for the Arduino.

In a previous article, we looked at connecting various kinds of Arduino hardware to your Mac. Here's how to get started programming on them to create your own projects.

Although there are other ways to do this, [Rod] has decided to write up his method of using two Arduinos and the I2C protocol to expand an Arduino’s IO capacity. As seen in the picture above,… ...