RS232 via PDA

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dcrera
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RS232 via PDA

Postby dcrera » Wed Oct 04, 2006 9:16 am

Hi,

Do you have software that will send rs232 commands to a HA directly from a PDA with a graphical interface like Mainlobby ?

Reason, I am not keen on having my host pc running 24/7.

A PDA (wall mounted) would do nicely and is a cheap alternative to the LCD touchpads that are being used in a Home Automation system.

Thanks

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DavidL
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Postby DavidL » Wed Oct 04, 2006 9:18 am

dcera, no, that won't work.... way too much stuff going on for a PDA. Keep the PC running. With the new Core2 processors, effficiency is way up. Reliability with a well built system isn't a problem. No reason to do (or attempt to do) the PDA thing.

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Postby dcrera » Wed Oct 04, 2006 9:22 am

Well, I guess the next best would the the UMPC route. Small form, low consumption. Your comments ?

Thanks

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Postby DavidL » Wed Oct 04, 2006 9:29 am

for a client, or for a server?

here is the tried and true:

High powered server running MLServer 3 and a couple MainLobby client instances. can be Win2003 server to support multiple RDP sessions

UTMA touchscreen (coming) or panel PCs (1ghz or better) connected to the server. Panel PC can run the MainLobby client natively.

UMPC PC with MainLobby client

PocketPC with Mainlobby PPC apps

AirPanel connected RDP to the server.

Running a UMPC as a server is not a good idea. Wasn't made for that. And, no reason to do that. Stick with what works.

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Postby dcrera » Wed Oct 04, 2006 10:29 am

So you that 1 Client 1 Server on a UMPC is not good ?

Damn, I am running out of ideas.

Help !!!!!

I want a low cost, low consumption, 24/7/365 device to control my HA.

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Postby MurrayW » Wed Oct 04, 2006 10:57 am

dcrera wrote:So you that 1 Client 1 Server on a UMPC is not good ?

Damn, I am running out of ideas.

Help !!!!!

I want a low cost, low consumption, 24/7/365 device to control my HA.
A lot of us are using older touchscreen tablets as our clients. I use a Fujitsu 3500X that you can find on EBay for $300-$400. It is not as nice as the UMPC, but is about 1/3 the cost.

Good luck,
Murray

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Postby dcrera » Wed Oct 04, 2006 11:26 am

hi,

I saw a price of $ 1200 for the UTMA touchscreen. Tell me what is the big deal in the costing of these screens. Maybe too much of a niche market.

$1200 can buy a nice tablet Pc which can do a hell of a lot more. Pity about not having finger touch capabilities.


Any comments on a Lilliput 7" touch screen with a small form Aopen mini pc (for client and server - I only need one client) ?

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DavidL
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Postby DavidL » Wed Oct 04, 2006 1:22 pm

dcrera,
MainLobby client AND MLServer 3 would run on a Samsung Q1 UMPC. But, why would you WANT to do that....very few hardware communication ports, and once you connect hardware to it, you loose portability which is why you are paying more per cpu for the UMPC to begin with.

A UMPC is more expensive because:
It's a touchscreen
It's small
It's new
It's cool
It's not high volume - niche market
Good blend of power per size and weight
It's wireless and bluetotth etc.

A Tablet PC can't do "a heck of a lot more" It IS a Tablet PC. It is not just a "screen". it is a full PC with a touchscreen.

Lilliput to a PC isn't the same thing. It's not portable. but, that makes for a decent touchscreen in some locations. Not as pretty, not as clean, more noise, more cables, and no comparison to a Q1. But, doable and usable with MainLobby suite.

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Postby Krumpy » Wed Oct 04, 2006 4:17 pm

Please define low cost. Running a PC 24 x 365 does not cost you more than $5.00 - $10.00 per month. If you can't afford that, they why bother with HA? At current gasolene costs, please be realistic.

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Postby DavidL » Wed Oct 04, 2006 4:26 pm

dcrera,
rereading your first post, MainLobby essentially does that now.

PPC<> wireless LAN <> wired LAN <> PC Server <> RS232 <> device
Good example of this is the Russound Cav6.6 PPC application. the Cav6.6 is the "device" in the above chain.

What it doesn't do, and not recommended is

PPC<> RS232 <> device

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Postby dcrera » Wed Oct 04, 2006 11:58 pm

Krumpy,

"Please define low cost. Running a PC 24 x 365 does not cost you more than $5.00 - $10.00 per month. If you can't afford that, they why bother with HA? At current gasolene costs, please be realistic."

You start off asking a question and then assume the answer. Running HA is about saving energy, this is a responsible thing to do and that is being realistic. You don't have to run top gear just because you can. Is being realistic having more money than brains ?

Now where was I ?

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Postby dcrera » Fri Oct 06, 2006 9:07 am

Hi,

Is the Philips RC9800i an option for a client ?

http://www.ehomeupgrade.com/entry/512/p ... i_wireless

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DavidL
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Postby DavidL » Fri Oct 06, 2006 11:35 am

dcrera, Just reading the page you reference I would say that it is NOT a good candidate for a MainLobby client. It isn't a Windows PC or Tablet PC or RDP terminal that connects to a Windows PC. It uses UPnP, which is a "standard" protocol for media devices, but MainLobby today is not UPnP. Even if it was, you wouldn't have the same rich experience that you have with MainLobby running on a full PC.

Buy a UMPC from either Samsung or TabletKiosk.
Or an Airpanel off of eBay that RDP connects to a full Windows PC.

Or, a Windows Panel PC (higher than 1 ghz CPU) as a MainLobby client

Or, a UTMA touchscreen connected to a Windows PC.

Many other flexible choices but the key word is "Windows".

You can also run on a POcketPC some of the user interfaces.

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Postby dcrera » Sat Oct 07, 2006 7:43 am

Cool, then UMPC it is.


Thanks again for the assistance.

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Postby bwally » Sat Oct 07, 2006 8:02 am

dcrera,

the UMPC route will still require a 24/7 PC server. just making sure you understand that.

some questions that have not been asked yet:
what HA equipment are you looking to control with the UMPC?
do you already own a PC server that is running MainLobby?


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