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Subject: 
Re: 12V lego train device electronics FAQ?
Newsgroups: 
lugnet.trains
Date: 
Thu, 9 Jan 2003 15:14:54 GMT
Viewed: 
856 times
  
In lugnet.trains, Guido Heunen writes:
Hi,

I am currently investing time into the possibility of automating my 12V
lego train via the I2C bus. My goal is to use a less as possible (relative
expensive) relays, which means that I want to put current into the 12V • devices
myself. I searched the train FAQ, but I didn't find any "internals" on the • 12V
devices (stop/go sign, automated switch etc.)

So is there someone who knows about the inside of the 12V devices?

Know about what exactely?
A picture about the inside of the 12V remote control point-motor is to be
found here:
http://www.fgltc.org/bwoabs/9v_12v/pi463.jpg
Same is used in the automated level crossing and the decoupling station.

The switches are only switches, the transformer has been opened by one of the
guys around some time ago:
http://news.lugnet.com/trains/?n=18548

No idea if someone took pictures about that.

Kind Regards,

Ben



Message has 3 Replies:
  Re: 12V lego train device electronics FAQ?
 
Hi Guido, I'm currently working on "automating" a 12v layout as well (although I'm going the conventional analog way at the moment. so no computers involved yet). What exactly do you want to know? the 12v electronics arent real complex thingies. by (...) (22 years ago, 10-Jan-03, to lugnet.trains)
  Re: 12V lego train device electronics FAQ?
 
(...) Maybe he needs to know how much current the devices draw? That determines what sort of relays are feasible to use, I think... I dunno. (22 years ago, 10-Jan-03, to lugnet.trains)
  Re: 12V lego train device electronics FAQ?
 
Hi Ben, Thank you for the link to the opened 12V switch control device. It is very informative. I measured, without openening, the resistance of the coil (if I remember correctly it was about 55Ohms) but I couldn't really conclude if there was a (...) (22 years ago, 10-Jan-03, to lugnet.trains)

Message is in Reply To:
  12V lego train device electronics FAQ?
 
Hi, I am currently investing time into the possibility of automating my 12V lego train via the I2C bus. My goal is to use a less as possible (relative expensive) relays, which means that I want to put current into the 12V devices myself. I searched (...) (22 years ago, 9-Jan-03, to lugnet.trains)

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