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NotMutley - take 2 - Members Personal Layouts. - Model Railway Layouts. - Your Model Railway Club
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 Posted: Fri Sep 21st, 2018 08:00 am
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gdaysydney
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MICRO LEDS contd


Following on from my last post I can tell you that each LED is wired, as you would expect, in series. I was unable to tell by looking at the LED which of the wires was the positive one so I had to do a little experimenting with low voltage DC to work that out. That done, and because I have a terrible memory, I then applied red nail varnish to the first 20 or so wires so that I wouldn't have to perform the test again. ( To assist my memory I used red nail varnish - kindly supplied by SWMBO on the positive wire).

This is one LED connected to a 5volt supply.


A few things I like about these LEDS - the wire is stiff which makes for easy manipulation and handling. The LED itself is also covered in a thin plastic making it more robust than some prewired  micro LEDS that come with very fine and flimsy wire.  There is a downside in that the wiring is harder to hide but for station and house lighting that should not be a problem. In fact so far I have found the stiff wire can be used to position the light and hold it in place - say on the ceiling of a waiting room,  whilst a drop of PVA is applied and allowed to dry.



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Dave
Notmutley
British OO outline, DCC - NCE PowerPro, Sound chips, Computer Control- RR&Co software
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 Posted: Thu Jan 3rd, 2019 10:53 pm
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gdaysydney
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Now where is my mojo?   I know its here somewhere - I'm sure I put it down on the layout somewhere,,,,,,



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Dave
Notmutley
British OO outline, DCC - NCE PowerPro, Sound chips, Computer Control- RR&Co software
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 Posted: Fri Jan 4th, 2019 01:15 am
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Sol
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gdaysydney wrote: Now where is my mojo?   I know its here somewhere - I'm sure I put it down on the layout somewhere,,,,,,

Dave, go out & buy another one and the first one will turn up !!! :mutley



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Ron
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 Posted: Sat Mar 2nd, 2019 12:01 am
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gdaysydney
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Too right Sol - (sorry I didn't reply to your post earlier) - isn't that always the way ?  I was looking for a trowel to repair some brickwork and looked everywhere around the workshed and the garage - in the end I decided that since I had to go to Bunnings to buy something else I would outlay the extra $8 for a trowel.  And yes - no sooner had I got it home I moved the bag of mortar to get on with the job and there was my old trowel :oops: :oops:.

On things model railway I have found my mojo ( it was also under the bag of mortar :lol:) and have been busy on the layout although not a lot to show for it. 
I'll take some photos over the coming week and show you what has taken so long to visibly achieve so little...



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Dave
Notmutley
British OO outline, DCC - NCE PowerPro, Sound chips, Computer Control- RR&Co software
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 Posted: Sat Mar 2nd, 2019 08:02 am
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ZeldaTheSwordsman
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Isn't that always the way? XD
Well, at least you've got a spare now.

Congrats on making layout progress!



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 Posted: Sun Mar 3rd, 2019 09:30 am
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gdaysydney
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Thanks Brendan.

Well as promised here is an update on what I have been upto over the past few months

I had a major setback in that I had installed working yardlights which I had purchased many moons ( years) ago and finally got around to installing them - only to accidentally connect them to the power supply without any resistor   - yes I can confirm that when you blow ten LEDs at the same time you can here the noise of them overheating. 
On investigation I discovered that the LEDs where set in painted plaster so i decided that I would replace the LED lamps rather than buy new ones - however trying to get an LED to set in the middle of plaster that replicates a lamp is easier said than done -  after much experimenting I found that Plasticine rolled flat and then imprinted with a lamp shaped button to create the appropriate mould then carefully centering the LED leads before carefully filling the mould with plaster of Paris did the trick - the end result was not as good as the original bit still looks the part.
I will post a daylight picture later ..


I have also been busy building a Scalescenes signal box - I lashed out and bought the brass signal lever kit and windows and added lights and a signalman.  I am very pleased with the result - its amazing what you can do with old breakfast cereal packets !



This is a close up shot looking through the left hand window
- just a tad light bleed from two micro LEDs off the $5 special mentioned in an earlier post above.


Apart from the ongoing job of ballasting I decided that the location of NotMutley would be moved further to the east and installed a third rail on the inner loop so I could run some southern region electric cars.

There were two components:

A relatively simple job but time consuming...
If you are interested I basically copied the idea from a modeller who posted under "Glebe Road Junction"



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Dave
Notmutley
British OO outline, DCC - NCE PowerPro, Sound chips, Computer Control- RR&Co software
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 Posted: Sun Mar 3rd, 2019 11:33 am
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Longchap
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Hi Dave,

Wow, all of your lighting looks wonderfully atmospheric, despite the setback with blowing the LEDs.

I also admire those brass signal levers which look so much better than the plastic offerings lurking in my to-do box!

Best,

Bill



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At 6'4'', Bill is a tall chap, then again, when horizontal he is rather long and people often used to trip over him! . . . and so a nickname was born :)

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 Posted: Wed Mar 27th, 2019 11:47 pm
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gdaysydney
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Thanks for your comments Bill and my apology for not acknowledging them earlier.

Your comment on the signal levers is very welcome as I pondered for many weeks before ordering them as the cost including postage to Australia was a lot more than the cost of the signal box - but in the end well worth it.

Best wishes



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Dave
Notmutley
British OO outline, DCC - NCE PowerPro, Sound chips, Computer Control- RR&Co software
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