The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...
If you want to keep an eye on your home—whether you're worried about burglars or just worried about the dog getting into places it shouldn't—this super simple DIY alarm will send you an SMS message ...
the 5800PIR-OD is an ideal solution for outdoor sensing applications in difficult to wire locations- avoiding the costs and time required for trenching and excavating (which is usually required for ...
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