(Optical) Motion Detector
(Optical) Motion Detector
I'm looking for a very low power, sensitive, stable circuit fragment to detect motion at a distance of approximately 1 1/2 to 2 inches.<p>The sensor should work equally well in daylight or total darkness, and interface with digital logic, operating in the range of 5 to 12 VDC, with a current drain in the 1 mA or less range.<p>I'm thinking maybe a photo transistor receiver with an infrared LED transmitter, which when the path is broken, indicates intrusion, perhaps connected to a Darlington transistor.
- Chris Smith
- Posts: 4325
- Joined: Tue Dec 04, 2001 1:01 am
- Location: Bieber Ca.
Re: (Optical) Motion Detector
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