Dave:
Do a Google on Oregon Scientific and their wireless weatherstation stuff. Rick Shoop
>
> From: Dave Close <[EMAIL PROTECTED]>
> Date: 2004/07/21 Wed PM 11:22:30 EDT
> To: [EMAIL PROTECTED]
> Subject: [SOCALWUG] Wireless sensors
>
> I know that most of us are here because of an interest in WiFi, but
> this message relates to a different sort of wireless. I'd like to set-up
> a small network of battery operated sensors which can report back to a
> server wirelessly. My target is cheap, less than $50 per sensor, perhaps
> much less. I don't need two-way communication. At the receiver end, I
> want the output to be through some standard computer protocol, ASCII
> text or similar through a serial or USB port. I don't want or need any
> fancy display on the receiver. In fact I don't think the receiver should
> need to know what kind of sensors are involved.
>
> I think it ought to be possible but I haven't found anything commercial
> that fits. I see some stuff between $100 and $200 that's as big as a
> paperback book. I see the smart dust stuff for even more but they also
> have a processor. I have a clock with a 2-inch-square remote temperature
> sensor that would work except that the receiver is hidden inside the
> clock. But the whole package, including the clock, was about $30, so my
> price point looks realistic to me.
>
> Initially, I'm interested in temperature sensors, but there are other
> kinds of sensor I'd like to incorporate in the future. Each sensor
> should make a wireless report about every five minutes and the messages
> should include a unique identifier for each sensor.
>
> Can anyone here point me to a suitable product? If not, I'm willing to
> do some assembly provided I'm confident in the design. I'm not a EE, so
> I'm not going to try to design a circuit or select components.
> --
> Dave Close, Compata, Costa Mesa CA +1 714 434 7359
> [EMAIL PROTECTED] [EMAIL PROTECTED]
> "Political campaigns are the graveyard of real ideas and
> the birthplace of empty promises." -- Teresa Heinz Kerry
>
>
