April 2016

New Nomad Architecture

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With the change from the Raspberry Pi stack to the much more powerful Jetson TX1 some changes needed to be made to the overall architecture of Nomad's electronics. Some of it remains the same, such as the sensor cluster passing through the Arduino Mega. Some of the changes are enhancements made necessary by the new processor. The diagram illustrates what the new architecture looks like.

Installing ROS on the Intel Edison

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Note: The Edison board has been removed from Nomad and two Raspberry Pi B+s were installed. In time these will be swapped out for Pi 2s, but I had B+s on hand, so that's what went in. The decision to go with the Pis over the Edison had to do with support, or the lack thereof, stemming from issues getting the joystick device to install properly. When attempting to get Nomad to run as BARB did I discovered there joystick was not available on the Edison. After nearly 2 weeks of working with it, scouring the forums, etc., I could find no solution.

Why The Intel Edison Failed in Nomad

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Intel Edison

I admit the title may seem a little harsh. I tried to find a way to soften it a little bit, but this is the most direct way of saying it. And, frankly, the Edison did fail the Nomad project, not because it's a bad product, it's not. It failed because it's simply not ready for the hobby market. It's not ready to be picked up by your average user looking to do something amazing that pushes the boundary of what hobby electronics, or hooby robotics is. The Edison is great for engineers looking to do something new. But not your average maker. Here's the story...

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