[PSUBS-MAILIST] compass

Wed Nov 14 18:46:04 EST 2018

My advice then, if you are patient enough, is to mimic my graphics hardware and start with my software package modifying as necessary.  I don't think you are going to find a display for the Arduino that is fancy enough for what you want to do.  You need to jump up to the Raspberry PI if you want serious graphics capability.  With the PI there are numerous options available including a capacitive touch screen display and remote access from your phone, tablet, or computer via VNC.
Unfortunately due to the unique nature of our vessels, programming is going to be required.  The graphics package I use is called "Processing" but you could also use "Python".  I've been a software programmer for 35 years so I found the learning curve for "Processing" pretty easy, but I will say that the program which reads my data and displays the graphics is quite intense.  It's much simpler if you can fit everything you want onto one screen, but gets very complicated when you start dividing things up into different screens.  Nothing is free.  :)
I'm happy to share my code with you and even modify it to produce an "open software" product, which was my intent once I got things the way I wanted them.  That's why I ended up using universal graphic icons instead of text for most of the display options and functionality.  Frankly, I've been away from it long enough that I need to get back into the code and figure out what I did.
Jon

      From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Wednesday, November 14, 2018 4:02 PM
 Subject: Re: [PSUBS-MAILIST] compass

Jon,thanks. What I am not sure about is the graphics sideof things. I like what you have done, which is similar to the graphics displayon commercial submersibles, & I want to display all my sensors in a similar way. I would also like to display video image (periscope) on the same screen.I am envisaging that there are graphics packages that make this job a biteasier. I have seen marine instrument display programs, but a submarine being so unique will require taylor made graphics. I have learnt photoshop & done a bit of animation so are not too daunted bywhat I may be getting in to & would probably enjoy creating some high definition(cool) displays.So am probably looking for some sort of program that focuses on marine,automobile or manufacturing instrument display & has basics like bar graphsetc but can be tailored to cover instruments on a submarine. Hopefullysomething that takes a lot of programming out of the equation.Cheers Alan 

On 15/11/2018, at 8:21 AM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Alan,
You will need an arduino board, a bread board, and some wiring.  Check out sparkfun or adafruit for development kits.
When you have all the hardware, you will need to download the development application, load the code, then upload it to the arduino.
The easiest and quickest way to display the output is on the "console" that comes with the development application.  In actual use, an LCD display of some type is probably easiest.  Check out https://www.adafruit.com/?q=lcd as an example.
Jon

      From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Monday, November 12, 2018 11:49 PM
 Subject: Re: [PSUBS-MAILIST] compass

My tilt compensated compass arrived.Tiny little thing ( see photo ). Cost US 29:90, Bought from a British firm "robot electronics", but came direct from China!Now the fun starts, as I need to process the signal on an Arduinoor Raspberry pi & do an online course ( on what I am not sure)to be able to display it as a graphic on a screen.Alan<image1.JPG>

<image1.JPG>

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