After some more procrastination, it was time to wrap this up. I was, in fact, able to get this successfully wired up and mounted on the boat! All in all, I had a great time making this project and learned a lot.
All the pieces have come together. It’s time to hook this up on the boat and see how it works!
Now it’s time to put it all together! Mechanical fabrication is one of my weaker skills and this is where having handy friends really helped pay off.
With the software running on the Raspberry Pi and touchscreen in a “bench test” format on top of my desk, it was time to start thinking about how I would actually package this up into a complete device that I could install on the boat. It needed to be waterproof, powered by the boat’s battery bank, and ideally no larger than necessary.
With the basic platform package chosen — Raspberry Pi, a 7″ 800×480 sunlight-readable touchscreen, and the NGT-1 — it was time to put it to work. This post dives into the software built to run on this platform and deliver that telemetry analysis and visualization I was looking for.
To build a device that would accomplish my goals I needed to get the data from the sensor instruments, run some computation over it, and visualize it on a clear display. I needed to choose fundamental building blocks of the system to accomplish these goals.
I’ve always thought it was fun to do small electronics hardware hacking projects. I also really enjoy sailing. I had an idea for an onboard electronic gadget I could make to help with sailboat racing. It took four years — but it works!
