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DAS Systems

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nuckollsr(at)cox.net
Guest

Posted: Sat Apr 15, 2006 11:27 am Post subject: DAS Systems

At 05:50 PM 4/14/2006 -0700, you wrote:



 	  Quote: 	
		  



Robert L. Nuckolls, III wrote:

 >    I've discussed this project with my software guy (father-in-law)

 >    and we're going to see if we can do a WinXP/USB version of this

 >    product. In the mean time, I don't have any good recommendations

 >    for you. If I run across something, I'll post it.  Hmmm, got

 >    an old laptop you could load Win95 on and has an EPP parallel

 >    port? I think my Base2 Modules are laying around here somewhere.



How about doing it in such a way that it is universal. It is a small

thing but as soon as you say WinXP/USB I know that it will not run on

any of my computers (Mac, Sun, Linux/Intel).


	


    Win/USB is the major market . . . and FTDI's drivers for making

    USB masquerade as a serial COM port are getting better all the

    time. I have one product right now that's been a real hassle

    when customers want to put it on a Win95 or even Windows for

    Workgroups! It's a shoo-in on XP and 2000.



    The biggest filter of operating systems will be a GUI we'll

    provide which will be crafted for the latest Win OS and how ever

    far back as we can make it go without undue labor. However,

    the communications architecture will be open and anyone who

    want's to craft their own interface. It's usually no big deal

    to take a series of streaming data and push it to a hard drive

    for later import to spread-sheet-and-graphics of choice. The

    DAS will put out ASCII integers in comma de-limited strings.

 	  Quote: 	
		  You know, if you give it some intelligence and then put it on the

network you end up with some seriously cool remote data collection. Now

with it being on the other side of an IP connection you can write a Java

front-end that will run on anything.


	


    This needs to be a $100 gizmo. My #2 software guy is working

    with some I.P. address based hardware and development tools, we'll

    see what he comes up with. Obviously, that's the wave of

    the future. I'm going to be working with folks in flight

    test evaluating some quick-n-dirty installations of DAS systems

    where we'll try an 802.11b wireless link. At the moment,

    these are much bulkier and more expensive than I'd like to

    offer to my target market: OBAM aircraft.



    Bob . . .

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nuckollsr(at)cox.net
Guest

Posted: Sat Apr 15, 2006 1:35 pm Post subject: DAS systems

Funny thing that this topic was fresh on the List. I just

got an e-mail notice from another of my favorite DAS hardware

suppliers that points me to another of their $hundred$ wonders.



See:



http://www.labjack.com/labjack_u3.html



Except for very demanding speeds, this critter is the

one to beat . . . and it isn't going to be me that does it!

I've ordered one to play with.

        Bob . . .

      < What is so wonderful about scientific truth...is that >

      < the authority which determines whether there can be   >

      < debate or not does not reside in some fraternity of   >

      < scientists; nor is it divine. The authority rests     >

      < with experiment.                                      >

      <                            --Lawrence M. Krauss       >

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brian

Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA

Posted: Sat Apr 15, 2006 5:56 pm Post subject: DAS Systems

Robert L. Nuckolls, III wrote:



 	  Quote: 	
		       Win/USB is the major market . . . and FTDI's drivers for making

     USB masquerade as a serial COM port are getting better all the

     time. I have one product right now that's been a real hassle

     when customers want to put it on a Win95 or even Windows for

     Workgroups! It's a shoo-in on XP and 2000.


	


Well, you are talking to someone who has spent most of his life making 

devices and services universally available over the network. There is a 

reason people have embraced the Internet; it is the universal vehicle 

for communication between devices.



 	  Quote: 	
		       The biggest filter of operating systems will be a GUI we'll

     provide which will be crafted for the latest Win OS and how ever

     far back as we can make it go without undue labor. However,

     the communications architecture will be open and anyone who

     want's to craft their own interface. It's usually no big deal

     to take a series of streaming data and push it to a hard drive

     for later import to spread-sheet-and-graphics of choice. The

     DAS will put out ASCII integers in comma de-limited strings.


	


For the GUI, use Java. The reason is, you really will be able to run it 

on windows, Mac, or any of the flavors of Unix/Linux out there. It has 

all the hooks to allow you to communicate over a network connection 

regardless of whether it is serial RS-232 (PPP), ethernet, USB, 

Firewire, Bluetooth, or WiFi (IEEE 802.11[a|b|g]).

 	  Quote: 	
		  > You know, if you give it some intelligence and then put it on the

> network you end up with some seriously cool remote data collection. Now

> with it being on the other side of an IP connection you can write a Java

> front-end that will run on anything.

 

     This needs to be a $100 gizmo. My #2 software guy is working

     with some I.P. address based hardware and development tools, we'll

     see what he comes up with. Obviously, that's the wave of

     the future. 


	


Back when I started out building routers and network communications 

devices back in the late '80s it was the wave of the future. Now it is 

the wave of the present.



And to make it easier, go look at the Embedded Java vendors. I was using 

the Dallas Semiconductor "Tini" board. It costs about $50 but is a 

complete network computer for sensor data collection including 

processor, memory, network connection (ethernet), programming language 

(Java), libraries, etc. It has all the basic features to do what you 

want to do including the availability of a web server right on the Tini 

board. Heck, do your data collection right on the board and have it 

available via the net immediately. No muss, no fuss, and no special 

software for the PC that you are using to look at the data.



See: http://www.maxim-ic.com/TINIplatform.cfm



It already has ethernet, serial, CAN2.0b bus, 1-Wire sensor bus, etc. 

This is how I would start.



 	  Quote: 	
		       I'm going to be working with folks in flight

     test evaluating some quick-n-dirty installations of DAS systems

     where we'll try an 802.11b wireless link. At the moment,

     these are much bulkier and more expensive than I'd like to

     offer to my target market: OBAM aircraft.


	


I happen to be talking with an aircraft manufacturer on something 

similar, basically data linking data collection in the aircraft to the 

ground using 802.11. It is fairly easy to get ranges of a couple of 

miles using 802.11 but mostly I am setting it up to do an automatic 

data-dump whenever the aircraft comes within range of the base station. 

I would be happy to help you on your project if you like.



-- 

Brian Lloyd                         361 Catterline Way

brian-yak at lloyd dot com          Folsom, CA 95630

+1.916.367.2131 (voice)             +1.270.912.0788 (fax)



I fly because it releases my mind from the tyranny of petty things . . .

- Antoine de Saint-Exupery

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_________________
Brian Lloyd
brian-yak at lloyd dot com
+1.916.367.2131 (voice) +1.270.912.0788 (fax)

I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery

khorton01(at)rogers.com
Guest

Posted: Sun Apr 16, 2006 5:04 am Post subject: DAS Systems

On 15 Apr 2006, at 21:52, Brian Lloyd wrote:



 	  Quote: 	
		   

 yak(at)lloyd.com>



 Robert L. Nuckolls, III wrote:



>     Win/USB is the major market . . . and FTDI's drivers for making

>     USB masquerade as a serial COM port are getting better all the

>     time. I have one product right now that's been a real hassle

>     when customers want to put it on a Win95 or even Windows for

>     Workgroups! It's a shoo-in on XP and 2000.



 Well, you are talking to someone who has spent most of his life making

 devices and services universally available over the network. There  

 is a

 reason people have embraced the Internet; it is the universal vehicle

 for communication between devices.



>     The biggest filter of operating systems will be a GUI we'll

>     provide which will be crafted for the latest Win OS and how ever

>     far back as we can make it go without undue labor. However,

>     the communications architecture will be open and anyone who

>     want's to craft their own interface. It's usually no big deal

>     to take a series of streaming data and push it to a hard drive

>     for later import to spread-sheet-and-graphics of choice. The

>     DAS will put out ASCII integers in comma de-limited strings.



 For the GUI, use Java. The reason is, you really will be able to  

 run it

 on windows, Mac, or any of the flavors of Unix/Linux out there. It has

 all the hooks to allow you to communicate over a network connection

 regardless of whether it is serial RS-232 (PPP), ethernet, USB,

 Firewire, Bluetooth, or WiFi (IEEE 802.11[a|b|g]).


	


I'm interested in a reasonably priced system to record analog data  

that I can hook up to a laptop running Mac OS X.  I don't own any  

computers that run Windows, and won't purchase one just for this task.



Kevin Horton         RV-8 (finishing kit)

Ottawa, Canada

http://www.kilohotel.com/rv8

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