Waouh. I’ve always been intimated by electronics: software development seems so easy, you just need a computer and you can do what you want, whereas with electronics you have wires, resistors, voltage, electrons…
But Electronics for iPhone Developers Tutorial: Create an Arduino Traffic Light!, by Dani Arnaout has definitively demystified electronics.
Read the article, check out the video, and I’m sure you’ll right away buy an Arduino to play. I’m definitively looking forward the next article where we should learn how to control the Arduino with an iPhone.
Ray and his iOS Tutorial Team propose very good tutorials on iOS development (ARC, OpenGL ES 2.0, Core Data etc…) but this one is going to be one of my favorites.