piclist 2001\01\18\102203a >
Thread: Proximity Sensor
face BY : mike@EraseMEwhitewing.co.uk

On Thu, 18 Jan 2001 11:25:35 +1100, you wrote:

>Hi all,
>Does any one know of a proximity sensor/transmitter that could be worn
>on a shirt pocket like an ID tag, and be able to be detected by a
>receiver of some sort, up to 5 meters away?

I'd think infra-red might just be viable for this. RFID tags would
probably not have the range unless you used a BIG antenna. Short-range RF transmission may also be useable.

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<oogd6tgfuqdpe4nmf7hogchagpa197tg20@4ax.com> quoted-printable

In reply to: <3A6629EF.2C1D806@eng.monash.edu.au>
See also: www.piclist.com/techref/io/sensors.htm?key=sensor
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