Linux - Embedded & Single-board computerThis forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.
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I became aware of the Arduino Project from occasional media reports and a presentation at Atlanta LinuxFest 2009. I was impressed with what the Arduino community was doing, but at that time, I saw no personal use for it. It took a grandson who is heavily involved in a high-school competitive robotics program to change things for me. During a 2011 Thanksgiving family gathering, he asked me some questions about robotics-related electronics, and I told him to google Arduino. He did. Arduino ended up on his Christmas list, and Santa delivered.
I would be more helpful in assisting the grandson's Arduino efforts if I understood more about it myself, so I ordered a couple Arduino Nanos and some peripherals, such as rotors, servos, ultrasonic sensors and LCD displays, and dug in. I now had a purpose for using the Arduino and a reason to dust off my soldering iron. I used a breadboard for testing, as shown in Figure 1.