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Small layouts planks and micros - Small Layouts,Planks and Micros - Model Railway Layouts. - Your Model Railway Club
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 Posted: Tue Apr 25th, 2017 06:13 am
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Petermac
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Sol wrote: OK, Petermac, what is with the flashing LEDs then ? Can't the system makes its mind up?
I've always been a bit of a ditherer Sol .................... ;-)

Max is right - once the point has changed, the new route LED is steady.  At first, I thought it was a sort of copy of the crossing barriers which flash alternately whilst they close but I really don't know why they flash.  Maybe just to tell me it's moving something, or, just that it looks good .................. :cheers



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 Posted: Tue Apr 25th, 2017 11:20 am
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Hi Petermac.  Bravo, Bravo it looks fine to me, Alas I cannot follow your fine example with my manual points, and I was never one for modernisation , a bit of a Luddite ? But I do admire your system. And safety must come first.would you please tell me about the power consumption of the LED's and would I be able to " do my own thing"? By making aPluggable Mimic board? Connected to the DPDT slide switches that are doing the job of point Motors .
My rough plan is using the spare terminals on the switches with a power supply, resistors, and suitable LED's, with either built in sockets on or under the baseboard ( of course they would have to be hidden,from view) but which connectors are best ? I have a plan for the panel , it looks just like your one, only compact .
Please advise. Kevin

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 Posted: Tue Apr 25th, 2017 11:35 am
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Petermac
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LEDs consume almost no power Kevin - mine are 12 volts but only use milliamps of power.  My panel has a dedicated 12v regulated supply but that's because the Mega Points controller requires a steady supply. For LEDs, any old supply will do but the resistor is critical otherwise they'll blow instantly. 

I see no reason why you can't use your DPDT switches with an LED wired to them via the resistor.  My panel mounted LEDs came with a "normal" wire attached (plain LEDs usually have 2 plain wire "legs" for connections).

Having wires already attached, they could be connected to the "circuit" either by soldering, choc blocks or in fact, any kind of connector you care to use.  It's just like connecting any wire to another - do it how you choose to.

Naturally the panel mounted LEDs are more expensive that the plain ones but they are very robust.  I'll post a photo of one later so you can see what you're paying for.



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 Posted: Tue Apr 25th, 2017 12:06 pm
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Hi Petermac.  Thank you, but I will have to get some advice on the socket connection , between the baseboard and the panel.  All the best. Kevin

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 Posted: Thu May 18th, 2017 06:24 am
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Hi Max   I have hit a snag ( not a sausage ) with my mimic panel, "interconnectivity?" I have cobbled together my panel, purchased the LED's,  15 pin plug and socket (but I am only using nine pins) all ready and waiting, but,:hmm I cannot find a suitable "9 Core cable" for a tidy connection between the baseboard and panel, I have looked on eBay without any luck, I know there are many experts on YMRC, but I remember your thread on baseboard wiring.
I thought of nine different coloured wires and binding them with cable ties, or heat shrink tubing but that may not be satisfactory ? Have you got any good ideas or know where I am able to make such a purchase , as I only require about a yard (or a metre), all the adverts that I have seen quote one hundred metres or more.
   All the best. Kevin

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 Posted: Thu May 18th, 2017 06:39 am
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Sol
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Kevin, most electronic shops sell it by the yard/metre but you have to go there.



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 Posted: Thu May 18th, 2017 06:41 am
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Hi Kevin

For applications like this, I use rainbow cable.

https://en.wikipedia.org/wiki/Ribbon_cable

Available at your local electronics store.

Cheers



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 Posted: Thu May 18th, 2017 06:55 am
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Hi Ron.  Thank you for your reply. My local electronics shop "Maplin" is a suitable candidate, but, the staff are a bit vague? Unless one knows the exact product? They seem useless, and cannot give advice. If I find what I'm looking for and I am likely to need another one, then I keep the packet and take it with me the next time.  All the best. Kevin

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 Posted: Thu May 18th, 2017 07:12 am
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Hi Max.  Thank you for your reply. I have never heard of ribbon cable. Does that carry 12volts for model railways without any problem? and can I separate the ends to wire it to a "Terminal Strip"? I will have to google that and I will let you know how I get on.  All the best. Kevin

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 Posted: Thu May 18th, 2017 07:19 am
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Yes.  It's easily separated as described on Google.

It solders well and will easily carry LED current.

I've even used it for CDU's.



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 Posted: Thu May 18th, 2017 08:01 am
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Hi Max.    Thank you again. But, it has occured to me that flexibility may pose a problem, where the cable connects to the plug, by design the cable is " a loose wire", flying about, whereas if it was fixed in position the wire are less likely to pull out or fracture, could you comment on this?  All the best. Kevin

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 Posted: Thu May 18th, 2017 08:33 am
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MaxSouthOz
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If you're soldering a gang of nine wires to the device, each will support the others.

If I've stripped them apart, I will usually put a cable tie around them for support.

That's usually enough.



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 Posted: Thu May 18th, 2017 09:13 am
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Hi Max.  Thank you again.  Kevin

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