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Anonymous users2024-01-24The emitted is infrared,,, which is a heat sensing device, and the heat is transmitted in the form of infrared rays,,, which is an infrared sensing device.
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Anonymous users2024-01-23Is this a fill-in-the-blank question ==
Is it infrared?
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Anonymous users2024-01-22It detects infrared rays emitted by the human body to control.
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Anonymous users2024-01-21The thermal effect may be.
It's relatively simple, go to the bookstore to buy some books that want to close the sensor, such as the book "Sensor and Application Circuit Design" published by Science and Technology Press, which can be used as a reference book to check a lot of specific models and parameters of sensors, and there are many detailed related sensor application circuit designs. It should be helpful to you, the circuit is nothing more than some light-controlled, voice-controlled, infrared and proximity switches and other sensors, plus a related CPU or other circuits as the control circuit is over, its design is not difficult.
This can't be covered by bias. Specific problems should be analyzed in detail. The reason why the ceiling of the toilet fell was because the materials were used so poorly. >>>More
If there is a light in my heart, I am naturally not afraid and it is open.
You just dodge, automatically.
How old is your sister?..If you are young, tell your parents directly, and your parents will educate her, this is the easiest way.