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Reed switch door sensor. Once you ve digested make. This will allow you to query if a window door is opened or not. If you want to wait for the state to change you can use the following function. Reed switches have been used in laptops to put the laptop into sleep hibernation mode when the lid is closed.
Tatoko magnetic reed switch normally open closed nc no door alarm window security 6sets. Choose from our selection of reed switches including magnetically actuated switches magnetic contact alarm switches and more. 4 1 out of 5 stars 16. This item roller ball recessed button pressure reed switch window door alarm contact sensor plunger with terminals.
Reed switches actuated by magnets are commonly used in mechanical systems as proximity sensors. Victorshome magnetic reed switch rc 33 nc recessed wired window door contact sensor for home security and burglar alarm systems 5 pcs 3 3 out of 5 stars 7 8 99 8. Electronics you ll want to graduate to something more in depth. Get it as soon as tue sep 15.
Bnyzwot mc 38 surface mount wired nc door sensor alarm magnetic reed switch white 10 pair. As soon as the contact is interrupted the transistor no longer switches and a zero is displayed on the gpio. Examples are door and window sensors in burglar alarm systems and tamperproofing methods. Recessed wired security window door contact sensor alarm magnetic reed switch white rc 33 10pcs.
Home automation describes a reed switch door sensor hooked up to a raspberry pi. Free shipping on your first order shipped by amazon. These sensors are typically mounted in mechanical systems. Find door window sensors at lowe s today.
This is a good place to go next. Practical electronics for inventors by paul monk. A bare reed switch can easily be mounted on circuit boards. However for an application such as a door security sensor the reed switch needs a protective shell housing for handling and mounting.
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