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can choose 5V or 3
air conditioner
humidifier
They have replaced other types of magnets in many applications in modern products that require strong permanent magnets and magnetic fasteners such as electric motors in cordless tools
Hotel keys
Infrared emitter module 3 A can choose 5V or 3Introduction : Infrared emitter module is a common, inexpensive, and easy to use wireless communication sensor. IR light is very similar to visible light, except that it has a slightlty longer wavelength. This means IR is undetectable to the human eye perfect for wireless communication. The module is mainly applicable to the remote control. It is widely applied in audio visual products such as acoustics, television, video recorder, DVD player, and
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