Long distance IR barrier beam: Use a
Order the passive components and pay somebody in China to hand assemble it in bulk. Connect upto 400 of these cheaply built IR beam modules around every window and doorway and interface it to
See
Long distance IR barrier beam: Use a
Order the passive components and pay somebody in China to hand assemble it in bulk. Connect upto 400 of these cheaply built IR beam modules around every window and doorway and interface it to
See
Sorry, that's just not an option.
For you, yeah... the Chinese don't speak Portuguese.
One should try and run
The only alternative to phonejammer on the GSM spectrum is to build your own
The present alarm systems with all their cryptic input panels is a joke. We need to use an embedded ARM processor running Linux and Python that accepts a text file or some XML standard.
The fatal flaw with radio communication is spectrum jamming. If you cut the phone lines the GSM radio will kick in. But if you use
Fortunately, there just aren't that many people out there using jammers to block a neighbor's lighting control system.
Not really. Although a skilled person with the right tools and prior knowledge of the system in use at a given property could get through, most residential users need not fear. The guy with the right talents and the right gear will set his sights on bigger targets.
Build one and I'll market it.
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