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Thread: Recessed Reed Switch

  1. #11
    Automated Home Legend chris_j_hunter's Avatar
    Join Date
    Dec 2007
    Location
    North Lancashire
    Posts
    1,661

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    spec' says up to 15mm ...

  2. #12
    Automated Home Jr Member
    Join Date
    Jan 2006
    Location
    Trowbridge, England
    Posts
    40

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    I dealt with the problem of having large gaps in the following way. On the door itself (the moving part) I stuck a flat magnet and on the frame I used the reed part of the reed switch (the bit with the wires). The magnets in most reed switches are fairly feeble and only work over a short gap, so by using a more powerful rare-earth magnet (e.g. https://www.first4magnets.com/rectan...2kg-pull-p3279 ) you can use them with a wider gap.
    It is also easier to fix them; no drilling a hole in the door, just stick the magnet on the surface.

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