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Cabe Atwell
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Blogger
Re: EFM
Cabe Atwell   8/27/2013 2:41:18 PM
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I wonder if there is any signal noise associated with pre-amplifier/equalizer for the analog to digital converter. If there is, how can designers get an accurate reading?

vimalkumarp
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Gold
Re: EFM
vimalkumarp   8/26/2013 6:56:18 AM
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@Elizabeth: Most impressive part is the document and development tools support system. For me it is one of the best in the world (I mean Energy micro device site)

Elizabeth M
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Re: Alarm Systems
Elizabeth M   8/26/2013 6:40:01 AM
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Yes, I understand that point now, Rob. Distributed is the way to go for sure.

Elizabeth M
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Blogger
Re: Alarm Systems
Elizabeth M   8/26/2013 6:27:48 AM
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Indeed, Rob, your point is well taken; control systems seem to be becoming more distributed and modularized in general, from what I am hearing from engineers.

Elizabeth M
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Re: EFM
Elizabeth M   8/26/2013 6:16:10 AM
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Thanks for the real-world perspective, vimalkumarp. Having not used the kits, I wouldn't know from experience but it's good to know they are solid products. With a bigger, more established corporation behind them, it sounds like they'll get an even higher profile and have more opportunity to expand as a product range.

vimalkumarp
User Rank
Gold
Re: Alarm Systems
vimalkumarp   8/24/2013 6:21:48 AM
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Yes i agree with Rob that it makes sense to leave the analysis at the local sensor rather than transmitting data to remote processing.

vimalkumarp
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Gold
EFM
vimalkumarp   8/24/2013 6:20:23 AM
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Elizabeth: Thanks for the post. I have used the Gecko processor based kits and they are really good. One more point is the documentation and support sytem which is excellent. Now that Energy Micro is acquired by Silicon Labs, we can expect many more amazing products.

Rob Spiegel
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Blogger
Re: Alarm Systems
Rob Spiegel   8/23/2013 9:39:33 AM
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Though I don't know for certain, I would guess others have followed suit, Chuck. It makes sense to distribute the intelligence of the control system. With each sensor, each machine bringing its own intelligence, the central control function will just be a matter of coordinating smart tools.

a.saji
User Rank
Silver
Re: Alarm Systems
a.saji   8/23/2013 5:35:14 AM
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@Murray: Yes true indeed and if they have followed the steps laid by the initial mover, things would have been much more different. Not sure what the reason why they did not follow the steps but surely a big mistake indeed.          

mrdon
User Rank
Gold
Re: Alarm Systems
mrdon   8/22/2013 10:11:53 PM
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Rob 

I agree. To keep analysis local to sensor with GPU (General Processing Unit) will help eliminate any lost data bytes during transmission. The Cortex CMSIS library is quite comprehensive and the template formats used for programming are quite intuitive.

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