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5PCS/Lot 2x14mm Reed Switch Reed Pipe Normally Open (N/O) Magnetic Induction Switch for Arduino|switch switch|switch 2switch 5pcs - AliExpress
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Amazon.com: Gebildet 10pcs 3 Pin SPDT Glass Reed Switch Reed Contact Normally Open N/O N/C, Glass Reed Relay Magnetic Induction Switch(2.5mm×14mm) + 20pcs Magnet Piece : Industrial & Scientific
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