Model Boat Mayhem

Mess Deck: General Section => Chit-Chat => Topic started by: F4TCT on June 23, 2014, 08:32:57 am

Title: Ambitious Plans....
Post by: F4TCT on June 23, 2014, 08:32:57 am
Hi folks,


I feel its time to grace you all with my presence and seek very ambitious electronics advice...


Im building a Mobile Marine Models FT-X. I mentioned before I want some sort of dynamic Positioning system/autopilot system in the boat.. Ideally i'd like it to be computer controlled, i.e roll up with the laptop, stick a route in and it goes...


I would also like a depth sounder aswell for the sheer novelty of it.


Obviously a raspberry Pi job, however where do i start!


and where would i get a depth sounder, not to large but could be plugged into the Pi to make use of its readings? I would also need a gps antenna - ideally which could be bodged on at the top of the mast.


Dan  {-)
Title: Re: Ambitious Plans....
Post by: U-33 on June 23, 2014, 08:38:08 am
Dan, the man you need to talk to is John Robinson (username on here sub john) He's done (or doing) all of this stuff on his 12 foot Gato sub, what he doesn't know about electronics isn't worth knowing.

Rich
Title: Re: Ambitious Plans....
Post by: F4TCT on June 23, 2014, 08:43:43 am
Ohhh cheers!  :-))
Title: Re: Ambitious Plans....
Post by: U-33 on June 23, 2014, 09:04:12 am
No worries, Dan...a swift email/pm/phone call/ and our tame guru JR will soon sort you out. He'll totally confuse you (well, he does me...) but the boy knows his electronics...


Rich
Title: Re: Ambitious Plans....
Post by: Shipmate60 on June 23, 2014, 09:16:23 am
Bait boats have a depth sounder as an accessory.


Bob
Title: Re: Ambitious Plans....
Post by: david48 on June 23, 2014, 09:51:20 am
There is a GPS antenna in Auto route GPS it's about 1-1/2" square, plug type USB last time I looked they were still available as a spare.
David
Title: Re: Ambitious Plans....
Post by: richald on June 23, 2014, 11:15:34 am
Dan

You might well be served by having a Google for the home-brew systems that people are using for
multi-rotor drones, eg Google "arduino multirotor software"-  the keywords are Arduino (single
board computer similar to Raspberry PI) and HobbyKing - HK stock lots of cheap Arduino bits,
 Control boards eyc.

The Arduino is very easy to interface up to things like servoes, GPS & Gyro chips, radio communication boards etc
and simple to power (5v - 12v)

Arduino and HobbyKing Multi-Rotor Control Board V3.0 or KKmulticontroller v5.5 - RC Groups (http://www.rcgroups.com/forums/showthread.php?t=1666152)

MPU-6050 Gyro and Accelerometer Chip (http://playground.arduino.cc/Main/MPU-6050)

Arduino Playground - GPS (http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CB4QFjAA&url=http%3A%2F%2Fplayground.arduino.cc%2FTutorials%2FGPS&ei=ef6nU8CGLO7H7AbxrYG4AQ&usg=AFQjCNEkEkO2SEbtEkF_-QXbZx4xlNeJdA&sig2=dc5uqSheB52A9hwj9Bwt_A&bvm=bv.69411363,d.ZGU&cad=rja)

Arduino based Arducopter UAV, the open source multi-rotor - Arducopter, the open source UAV multicopter (http://www.arducopter.co.uk/)
this URL talks of
Richard
Title: Re: Ambitious Plans....
Post by: U-33 on June 23, 2014, 11:52:51 am
Gawd, I wish you guys would speak English.... :embarrassed:




Rich
Title: Re: Ambitious Plans....
Post by: Big Ada on June 23, 2014, 05:39:29 pm
Gawd, I wish you guys would speak English.... :embarrassed:




Rich

So what does it ay at the bottom of your Post then?
 Вы боитесь нашего флота. Ну, вы должны быть. Лично я дал бы нам один шанс из трех. Еще чаю кто?
Title: Re: Ambitious Plans....
Post by: Netleyned on June 23, 2014, 05:50:43 pm
Would not want a large model running on auto
round our lake.
It would need a very good override if a collision
with a model in trouble was imminent.

Ned
Title: Re: Ambitious Plans....
Post by: Umi_Ryuzuki on June 23, 2014, 07:22:53 pm
Might be some good reading.
http://diydrones.com/profiles/blogs/ardupilot-goes-into-the-water-3

We have a local gentleman that has an 8 foot USS Missouri, and it is on a dead reckoning system.
He has measured the pond and mapped it out on his computer. It sails D=RT, and then performs a turn.
The computer and ship are linked via wifi.
When he launches, we alert the pond and all skippers are alerted that it will be on autopilot.
People sail with the ship, but are aware that it is sailing a waypoint direction and give it right of way.

He also sails it RC, but I am not clear on the priority an if the transmitter has priority over the computer input.


Title: Re: Ambitious Plans....
Post by: richald on June 23, 2014, 08:51:46 pm
So what does it ay at the bottom of your Post then?
 Вы боитесь нашего флота. Ну, вы должны быть. Лично я дал бы нам один шанс из трех. Еще чаю кто?

Google Translate he say ....
You're afraid of our fleet. Well, you should be. Personally, I'd give us one chance in three. More tea anyone?

Richard
Title: Re: Ambitious Plans....
Post by: U-33 on June 23, 2014, 08:54:37 pm
Correct Rich...a quote from Captain Ramius from the film "The Hunt for Red October"


Rich
Title: Re: Ambitious Plans....
Post by: inertia on June 23, 2014, 11:11:42 pm
Dan
Please tell us it's just a wind-up  %%
Dave M
Title: Re: Ambitious Plans....
Post by: F4TCT on June 24, 2014, 09:11:53 am
Absolutely not Dave  :}



Title: Re: Ambitious Plans....
Post by: NFMike on June 24, 2014, 09:30:15 am
I could have sworn there was a thread on here a week or two ago about someone's project with GPS control, but I can't find it now :(
Maybe it was a dream or deja vu.
Title: Re: Ambitious Plans....
Post by: U-33 on June 24, 2014, 10:04:00 am
I could have sworn there was a thread on here a week or two ago about someone's project with GPS control, but I can't find it now :(
Maybe it was a dream or deja vu.


Look for Sub John's post on his 12 Gato sub...


Rich
Title: Re: Ambitious Plans....
Post by: dreadnought72 on June 24, 2014, 11:02:57 am
Hi Plague - the thread you DID see (I know, 'cos I saw it too) is here (http://www.modelboatmayhem.co.uk/forum/index.php/topic,47713.msg483131.html#msg483131).

Just a thought, Martin and Administrators: the topic The "Black Arts!" ( Electrics & Electronics ) (http://www.modelboatmayhem.co.uk/forum/index.php/board,151.0.html) currently covers everything electrical.

I'd suggest that programming & microprocessors (Arduino, Raspberry Pi, Picaxe, etc) might be better served by a separate topic: it'd keep the programmy "noise" out of your basic "circuits and wiring" which is the vast bulk of The Black Arts, and it would provide a natural home for stuff that - it seems - several of us are moving towards.

It could be called:

Even Blacker Arts - Here Be Monsters!

...if my current head-scratching is anything to go by.  :embarrassed:  I have a workbench covered in wires and components which is, as of right now, very nearly working.  %%

Andy
Title: Re: Ambitious Plans....
Post by: NFMike on June 24, 2014, 11:06:05 am

Look for Sub John's post on his 12 Gato sub...


Rich

No, that wasn't it, but I've had another scratch around and found it here:
http://www.modelboatmayhem.co.uk/forum/index.php/topic,47713.0.html (http://www.modelboatmayhem.co.uk/forum/index.php/topic,47713.0.html)
It's in: Mess Deck: General Section > Beginners start here...! > Meet BOFFIN the autonomous ex-tugboat.


Edit: Ah, Dreadnought also found it while I was digging and posting. At least my mind is still sort of intact  :embarrassed:
Title: Re: Ambitious Plans....
Post by: dreadnought72 on June 24, 2014, 11:09:58 am
Would not want a large model running on auto
round our lake.
It would need a very good override if a collision
with a model in trouble was imminent.

Ned
There's no outstanding problem in making it aware of other vessels (and thereby able to take autonomous action to avoid a collision). You'll find that ultrasonic sensors connected to any of the common hobby microprocessors is almost on "page one" of learning how to use them.  :-))

Andy
Title: Re: Ambitious Plans....
Post by: Netleyned on June 24, 2014, 11:19:53 am
There's no outstanding problem in making it aware of other vessels (and thereby able to take autonomous action to avoid a collision). You'll find that ultrasonic sensors connected to any of the common hobby microprocessors is almost on "page one" of learning how to use them.  :-))

Andy


As long as it has good discrimination between wave tops and floating objects.
Otherwise it would try to dodge each and every wave.


Ned