> Hmm.. thanks Derek, so you think an arduino sensor + RF combo might not be
> enough for a short distance system?
> On Tue, Dec 13, 2011 at 2:10 PM, derek enos <derek.e...@gmail.com> wrote:
>> This ZOMM is a powered device that communicates with the phone via a
>> Bluetooth transceiver. It likely uses signal strength or link status
>> information to determine whether it's within range of the phone.
>> There are a number of low-cost RF transceivers that you could use to
>> construct a similar system that tracks multiple items but, like the zomm
>> which contains a rechargeable battery, it would require that each sensor be
>> powered.
>> I have little experience with RFID but suspect that its effective range
>> using passive sensors may be insufficient for your application.
>> Derek
>> On Tue, Dec 13, 2011 at 1:31 PM, Adelle Lin <adelle....@gmail.com> wrote:
>>> Yes, that's exactly what I want to try to build but being able to tag
>>> any number of items using RFIDs, any ideas what sensors and tags I need to
>>> get started?
>>> Thanks,
>>> Adelle
>>> On Mon, Dec 12, 2011 at 9:04 PM, mixi plizik <mixi.plit...@gmail.com>wrote:
>>>> Fyi, check out this link you may get some ideas
>>>> http://www.engadget.com/2011/12/08/zomm-wireless-leash-plus-speaks-up...
>>>> bandoned-iphones-video/<http://www.engadget.com/2011/12/08/zomm-wireless-leash-plus-speaks-up...>
>>>> On 12/12/11 5:20 PM, "Adelle Lin" <adelle....@gmail.com> wrote:
>>>> >Hi,
>>>> >I'm a bit of a beginner at Arduino - i.e. have just soldered my
>>>> >Freeduino board and am looking to begin on my first project - "lost
>>>> >and found"
>>>> >I'd like to build a device that helps you keep track of your personal
>>>> >objects (I lost stuff all the time). I haven't worked out the
>>>> >specifics yet but I'd broadly like to build a central device that
>>>> >senses objects such as a phone, or hat, or keys (maybe using an RFID
>>>> >tag?) within a certain distance that will flash a light of make a
>>>> >buzzer sound if something leaves that perimeter.
>>>> >If any body has ideas on what specific sensors and RFIDs I require to
>>>> >get started that would be really really appreciated!
>>>> >Thanks,
>>>> >Adelle
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