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Offline marklinist5999  
#1 Posted : 24 May 2022 00:14:37(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 1,701
Location: Michigan, Troy
I've seen one which does when the magnet is waved over the battery. The second wave turns it off for led lighting.
Offline Ausipeet  
#2 Posted : 24 May 2022 04:31:01(UTC)
Ausipeet

Australia   
Joined: 04/06/2012(UTC)
Posts: 307
Location: Adelaide
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.aspx

Found this Photo on my PC hope this helps aswell.183499000_4522151917813478_7899496375562241074_n.jpg

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.
thanks 2 users liked this useful post by Ausipeet
Offline marklinist5999  
#3 Posted : 24 May 2022 13:25:26(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 1,701
Location: Michigan, Troy
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.
Online JohnjeanB  
#4 Posted : 25 May 2022 13:13:54(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 2,129
Location: Paris, France
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
My layout videos
latest vid
marshalling yard
thanks 1 user liked this useful post by JohnjeanB
Offline marklinist5999  
#5 Posted : 25 May 2022 13:52:52(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 1,701
Location: Michigan, Troy
Merci John, I hadn't researched the liberation coil.
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