 Joined: 10/02/2021(UTC) Posts: 3,898 Location: Michigan, Troy
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I've seen one which does when the magnet is waved over the battery. The second wave turns it off for led lighting.
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 Joined: 04/06/2012(UTC) Posts: 320 Location: Adelaide
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This might be what you are looking for, they are called Magnetic reed switches. From what i have seen they are simple to install and easy to operate. Hope this has helped. https://cs.trains.com/mrr/f/744/t/202698.aspxFound this Photo on my PC hope this helps aswell.  construct as shown in Photo, to operate use a earth magnet and wave it over the unit that is installed in carriage to activate the lights to turn off repeat wave.
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 2 users liked this useful post by Ausipeet
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Joined: 10/02/2021(UTC) Posts: 3,898 Location: Michigan, Troy
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Yes Pete! Thank's a million! Normally, the reed switches are only momentary contact. It must be a latching type reed switch.
The other way is a motion sensor switch, which I located, but I don't what other component it nees in order to operate, and the ones I found were within a 10 to 100 gram shock/horizontal motion activation. The 5 gram one was normally closed as still.
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 Joined: 04/02/2011(UTC) Posts: 3,563 Location: Paris, France
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Hi I may be wrong but seing my Faller car system and its tiny Reed contacts and small "adjust magnets" (163222) and liberation coils as on the Rolling road I wonder if this (bi-stable Reed functionality) cannot be obtained by adjusting a small piece of magnet next to a Reed contact so that it becomes bi-stable See here my Faller rollende Landstraße and its adjust magnet (on the truck), the stop-magnet on the truck-carrying car and its liberation coils under the track. This is a fine-tuned addition / substraction of magnetic fields which allows this functioning Cheers Jean |
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1 user liked this useful post by JohnjeanB
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Joined: 10/02/2021(UTC) Posts: 3,898 Location: Michigan, Troy
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Merci John, I hadn't researched the liberation coil.
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