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Double-Slip Panel L.E.D. Wiring
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 Posted: Sat Feb 9th, 2019 09:40 pm
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2foot6
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I am trying to wire up LEDs for a double-slip on a friends layout.

Going straight through the slips from any direction the LEDs are ok.

When you set the motors to go through a curve on the slip, the opposite side bend lights up.:bang:  

After sleepless nights and mental brain drain I am at a loss. :doh:  

There must be a solution, so does anyone here know what it is?  :sad: :shocked:


My next thoughts are heading down the track of using relays and or diodes,

but I hope someone has a better solution and save me a lot of time.


......Peter




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 Posted: Sun Feb 10th, 2019 01:18 am
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NathanO
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Could you post the circuit you are now using?

Nathan

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 Posted: Sun Feb 10th, 2019 03:28 am
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2foot6
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Try this.

When tracks are set to go through a curve the opposite curve LEDs light up.

When going straight through the slip all is ok.


Attachment: Double Slip (1).png (Downloaded 53 times)



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 Posted: Sun Feb 10th, 2019 07:06 am
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Toeffelholm
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And what now is the problem?

Doesn't this circuit work for you?

Juergen




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modelling in 1:22.5 on 32mm and 16.5mm track
Actual project: 7/8" scale on 45 mm track
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 Posted: Sun Feb 10th, 2019 07:34 am
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2foot6
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I am trying to wire up LEDs for a double-slip on a friends layout.

Going straight through the slips from any direction the LEDs are ok.

When you set the motors to go through a curve on the slip, the opposite side bend lights up.

.....Peter.




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 Posted: Sun Feb 10th, 2019 11:59 am
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Toeffelholm
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Ah, so you need to combine the information of 2 switches to get one LED lighted up.

I would say that calls for a logic element, and in your case I think an AND gate will do the work. 

I suppose the switches work with the support voltage of the switch motor?
So may be easiest way is to built such a gate with from transistors by yourself, so you are not limited to 5V.

Here is an example


Juergen



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modelling in 1:22.5 on 32mm and 16.5mm track
Actual project: 7/8" scale on 45 mm track
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 Posted: Tue Feb 12th, 2019 02:06 am
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2foot6
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Thanks for your reply Juergen,

I had thought of some gates.


As my friend has wired the track and points,

I think it's time to rewire them so I know it's correct and take it from there.


If that doesn't work, gates will be the answer.


..............Peter.




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 Posted: Thu Feb 14th, 2019 12:42 am
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2foot6
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:wave:  :rah: 

PROBLEM SOLVED


Using a Peco double-slip with Peco point motors and switches (as before),

I redesigned the circuit so one switch has power fed to the switch common and LEDs to make them operate,

On the other switch the power feed was reversed so I could use the polarities to operate an extra LED when the appropriate LEDs lit up.


Thanks everyone for your input. :2t:

:brill::brill:     .............................................Peter  




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