silvio biasiol
So here's the first electronics diagram.
It's schematic (and simplified) but enough detailed to give an idea.
It doesn't represents all the hardware parts that I've decided to use but the main ones are here. So here are the new additions:
- I've decided to go for an Rock 7 RockBLOCK which is very useful to communicate with the sailboat in all weather situation and everywhere on the globe to get instant readings about the navigation and making adjustments to the route. I discovered some nice API's and plenty of documentation regarding it (for example http://arduiniana.org/libraries/iridiumsbd/ and http://makezine.com/projects/make-37/iridiumsatellite/ for info).
- An Arduino Uno will be used instead of a combination of Raspberry and Arduino because (as @Nate Bowen pointed out) it's statistically much riskier to use an OS supervising everything and it would cause an unnecessary "overhead" to the whole system.
- I'm evaluating the idea of adding this little hydro generator http://www.seeedstudio.com/depot/36V-Micro-hydro-generator-p-634.html attached to the rudder.
EDIT:
- Thanks to the suggestion of @M. Bindhammer I added a new picture of the diagram to make it more understandable :)
- Also I added a light sensor to decide when to activate the position LEDs
- Yet to be decided wich LEDs I will actually use, the ones in the schema are just representative.
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I can't follow you on the OS bit. It's more overhead, yes, but standard, there's more control as well. When you are going to use an arduino, it can fail too (because of a lot of reasons, such as design flaws), so you may want to create redundancy yourself, or have an OS do the redundancy, or have 2 OSes (or 2 arduino's). It's up to you of course :) You sure have a lot of testing to do and pass a lot of what-if's to tackle.
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As you say I will have to do a lot of testing. These are my initial considerations based principally on the fact that 90% an OS is unnecessary but I absolutely don't exclude the possibility of using a Raspberry. I quite like the hint about a redundancy system with more than one Arduino..Thank you! I didn't think about that! I will do some research!
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I was just having a discussion with a friend of mine about this. We had to conclude that the combination of the two can sometimes be a good solution. If you want to do something with IP, or storing files, or streaming a video, the raspi is great for that. If you want to have exact motor control, the arduino is great for that.
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@M. Bindhammer lol you're right I'll upload a more understandable version :D
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Sorry, I think this 'wiring diagram' is useful for nobody and gives nobody an idea beside of some basic components you want to use :)
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I know that its pretty basic but since I still don't have the components and their specs I can't do much more.. As I said it's more to give an idea. Of course there's no way to build anything using it. I will go in detail when I will expose component by component. I'm sorry if I've created a misunderstanding about it :)
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I mean this kind of cable spaghetti in the diagram. Difficult to figure out what is connected to what ;)
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You're right, however it gives an idea. The wires could have been left out, and be replaced by an arrow :)
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In this case I suggest a schematic. And an ON/OFF switch. And some labeling. Just an advice. Good luck.
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Excited to see how the RockBLOCK goes. I also wanted to point out that the Uno might get pushed to its limit. A Mega or Zero could be a helpful upgrade.
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Sorry I didn't see the comment lol. Yes, I thought that all this calculations could ask the Uno too much but I have decided that the best way to know that it's trying! :) Thank you for the tip!
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