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Magnetic Reed Switch, 4Pcs Normally Open Glass Encapsulated Kit for DIY Elect...

Magnetic Reed Switch, 4Pcs Normally Open Glass Encapsulated Kit for DIY Elect...

$14.40
  • Condition: New
  • Ships from: Anaheim, US
  • Seller: ets_3965 (99.2% positive)
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About this item

▷【Usage Principle】： Generally, glass tubes made of special material reeds are separated. After the external magnetic force disappears. The dry reed pipe need magnet, when sensing certain magnetic force, will show ON state, the module output low level; no magnetic, show OFF state, output high level, dry reed pipe and magnetic induction distance within 1.5 cm, this distance ,insensitive or will not ;.

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