amerdsp wrote:
> What is the motion sensor that has the lowest power consumption?
> Distance is about 10 feet or so.

Try an AC-coupled CdS cell. Or a pyro.

amerdsp wrote:

> What is the motion sensor that has the lowest power consumption?
> Distance is about 10 feet or so.
> Any ideas?
> 
> Thank you,
> 
> A
> 
A string tied to a switch.

-- 

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

Posting from Google?  See http://cfaj.freeshell.org/google/

"Applied Control Theory for Embedded Systems" came out in April.
See details at http://www.wescottdesign.com/actfes/actfes.html

What is the motion sensor that has the lowest power consumption?
Distance is about 10 feet or so.
Any ideas?

Thank you,

A