News
"Sandia Creates Motion Detector 1,000 Times More Sensitive Than Any Known." ScienceDaily. ScienceDaily, 30 September 2004. <www.sciencedaily.com / releases / 2004 / 09 / 040930121812.htm>.
As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface.
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