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Electronics & Test

Bluetooth Module Enables Easy Implementation of Low-Power Wireless

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Charles Murray
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Bluetooth LE class
Charles Murray   7/11/2014 8:11:16 PM
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For those who are interested, Design News and Digi-key are sponsoring a Bluetooth LE Continuing Education Course July21-25. It will be hosted by one of our distinguished engineering teachers, Fred Eady.

Charles Murray
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Re: powering the connected home
Charles Murray   7/9/2014 6:37:57 PM
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Thanks, bobjengr. I have to admit, when I buy appliances, I usually opt for those with less bells and whistles, as opposed to more. In most cases (not all), simplicity equates with lower repair costs.

bobjengr
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Re: powering the connected home
bobjengr   7/9/2014 6:22:44 PM
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Very informative Charles.  I agree completely with your comments.  I retired from GE Appliances and connectivity is not important with the "average" homeowner and user of appliances. "Smart" appliances and design time associated with development is a waste of time and money for producers. Also, repair is a significant problem.  Field service agents and technicians do a replace instead of repair. Trouble-shooting is very time consuming.   It always amazes me the costs that MUST go into the packaging needed to insure survival of electronics and related features. We are generally talking about the following:

1.) From manufacturer to central warehouse.

2.) Warehouse to local distributor

3.) Local distributor to address

4.) From the box to the installation 

The appliance must survive four (4) movements, hopefully in one piece.

Again, great post. 

Charles Murray
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Re: Where it is heading
Charles Murray   7/8/2014 7:04:32 PM
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Excellent point, battar. I would expect to see a lot of remotes disappear in the next few years for that exact reason.

naperlou
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Re: Where it is heading
naperlou   7/8/2014 12:05:20 PM
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Battar, that is a very good point.  An added benefit is that the "app" will probably be much easier to use and can easily be customized and updated.

Elizabeth M
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Re: powering the connected home
Elizabeth M   7/8/2014 11:53:43 AM
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I agree with you, Bluetooth is the way to go to enable connectivity without exposing devices to any risk. While I don't think many people would want to hack into people's appliances, you never know. This is definitely a good technology for the Internet of Things.

Battar
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Where it is heading
Battar   7/8/2014 11:02:54 AM
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In the not too distant future there will be a module like this in appliances like TVs and Air-conditioners, and instead of giving you a remote control, the manufacturer will tell you to download a remote control app into your smartphone and use that. The added cost of the module over traditional IR is offset by the saving of not providing the remote control transmitter. The app can also pick up data about how often you use the appliance, fault codes, warranty data, and transmit it back to the manufacturer via the smartphones' wifi without you knowing.

Battar
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Ye Olde Chipcon
Battar   7/8/2014 10:20:28 AM
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Does that have a TI (ex-Chipcon) CC2541 inside? Most BLE modules seem to be based on it.

Charles Murray
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Re: powering the connected home
Charles Murray   7/7/2014 6:46:26 PM
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Microchip mentioned appliances when we talked, but I think their real focus is on devices that are now powered by coin cells. Most appliances don't need a low-power device like this one, since they're typically connected to an electrical outlet. I agree with you, naperlou,  connectivity in appliances is not very important.   

naperlou
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powering the connected home
naperlou   7/7/2014 10:47:37 AM
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Chuck, this looks to be a good device.  Bluetooth is a key technology for the connected home.  It is also useful to use the low energy mode to power devices and controls in the home and provide connectivity.  Wiring is so 20th century, don't you think? 

Most home appiances do not require, or indeed does one want, constant connectivity.  I have seen references to slow cookers and washing machines that are controlled from a smart phone.  Of course, this is bluetooth connectivity.  It just makes sense.  I really don't want my washing machine on the Internet where any hacker can break into it.

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