[oclug] RFID water readings
rgiffin at xplornet.com
Wed Aug 16 16:19:32 EDT 2006
Quoting miden <miden at travel-net.com>:
> the meter directly. Radio metering would be welcomed by him/her I'm
> sure. Power for the unit? How about Solar? My calculator has been
> running on a little solar cell (under room lights) for many years.
> require much more power than that.
Power requirement for RFID devices is very very low. In fact, they
usually work without any external electrical connection, instead, they
can use power extracted from the radio signal from the reader itself,
and they've been developing RFID devices for the oil & gas industry
for a while.
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