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As far as memory goes, the Galileo has a lot of it. There's 8MB Flash (to store firmware), an 11KB
EEPROM (non-volatile memory), and a µSD socket (which supports up to 32GB µSD cards). In
addition to the memory, there are all sorts of peripherals: 10/100Mb Ethernet, USB 2.0 host and
device ports, an RS-232 port, and a mini PCI Express (mPCIE) socket. Plus it has that same,
familiar Arduino pinout we all love/hate. The Arduino pins – including six analog inputs, SPI, I
UART, and PWM outputs – are all exactly where an experienced Arduino user would expect them to
be.
What the Galileo tries to do is meld the ease of Arduino's hardware manipulation with the power of a
fully operational Linux operating system. Most sketches written for Arduino Unos, Leonardos, and
other boards can be ported directly over to the Galileo. You still have access to popular Arduino
libraries like SD, Ethernet, WiFi, EEPROM, SPI, and Wire, but you can also access the Linux side
of the board with system() calls. The Linux half of the board supports stuff like Python, Node.js,
SSH, Telnet, and all sorts of other, fun Linux stuff.
Covered In This Tutorial
This tutorial will provide a rundown of every step required to get your Galileo up and running. From
sitting there, blinky-less on your desk, to running an Arduino sketch and interacting with a Linux
terminal. In all, we'll cover:
Board Overview
Software Download/Setup
– An overview of the components and connectors on the Galileo.
– How to download and install the Arduino software specifically
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