4 Stück Elektronik DIY Kit PCB Kit Reed Schalter Sensor Module kein elektrischer Kontakt
5,50 €
The reed tube requires a magnet, and when a certain magnetic force is sensed, it will display an ON state, and the module will output a low level; No magnetism, display OFF status, output high level, the distance between the reed tube and the magnetic induction is within 1.5cm, beyond which it is insensitive or will not trigger;.
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