I think perhaps that the coolest promise that Galileo represents is that all of the extra goodness you find on the board (built-in Ethernet, USB host, Micro SD, Mini-PCIe slot, etc.) are all made available in the Arduino IDE, but at no pin cost to the Arduino headers itself.
That is, if you tried to implement all of those built-in features using separate shields, you’d have almost nothing left to interface with. So, I’m getting at least one of these.
Originally posted on MAKE:
Intel and Arduino’s announcement about the new Galileo board is big news. It’s a Linux-based board that I’ve found to be remarkably compatible with the Arduino ecosystem based on my first few steps with a prerelease version of the board. Here are some of the best features of this groundbreaking collaboration between Intel and Arduino:
The expansion header on the top of Galileo should look familiar since it’s compatible with 5V and 3.3V Arduino shields designed for the Uno R3 (also known as the Arduino 1.0 pinout). This means that it has 14 digital I/O pins, 6 analog inputs, a serial port, and an ICSP header.