Author Topic: Caboose Marker Lamps  (Read 714 times)

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robert3985

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Re: Caboose Marker Lamps
« Reply #15 on: November 30, 2018, 03:42:08 PM »
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Very nice on the marker lanterns!  A good N-scale human in the photo (instead of the dime) would give us a better idea of their size. 

I find that MV lenses work very well on caboose marker lamps instead of actually lighting them.

Photo (1) - Here a photo of marker lamps on my U.P. CA-1 that I lost-wax cast in brass:


I could stand a couple of dozen of your finely detailed little models if you would like to sell some??????

...and also your switch stand lanterns!  :)

Cheerio!
Bob Gilmore

haasmarc

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Re: Caboose Marker Lamps
« Reply #16 on: November 30, 2018, 04:41:17 PM »
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A good N-scale human in the photo (instead of the dime) would give us a better idea of their size. 

I could stand a couple of dozen of your finely detailed little models if you would like to sell some??????

...and also your switch stand lanterns!  :)

Cheerio!
Bob Gilmore

Here you go Bob!



I can probably hook you up.
Marc Haas
Keeping the Reading alive in N scale!

David K. Smith

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Re: Caboose Marker Lamps
« Reply #17 on: December 02, 2018, 10:42:17 AM »
+2
I can probably hook you up.

Does she pose nude?... :trollface:
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carlso

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Re: Caboose Marker Lamps
« Reply #18 on: December 02, 2018, 02:09:57 PM »
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marc,

Check these Pico Chip LED's from Evan Designs out. They might work for lighting your markers. Very small and VERY bright, would need high ohm resistor.

www.modeltrainsoftware.com/pages/information-about-led-sizes

Just info,
Carl
Carl Sowell
El Paso, Texas
Southern New Mexico N Scalers, Las Cruces, New Mexico

peteski

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Re: Caboose Marker Lamps
« Reply #19 on: December 02, 2018, 03:43:08 PM »
+1
marc,

Check these Pico Chip LED's from Evan Designs out. They might work for lighting your markers. Very small and VERY bright, would need high ohm resistor.

www.modeltrainsoftware.com/pages/information-about-led-sizes

Just info,
Carl

Carl, those are simply SMD 0402 size LEDs with a cute name.  The 0201 LEDs are even smaller (and are now generally available form Digikey or Mouser).  I guess if Model Train Software ever starts selling thse, they will probably call them "Femto LEDs).  :D  Cute names for items known by another name.  I'm also amused by the fact that Model Train Software sells . . . hardware.  :D

Here are the common SMD package sizes (no cute names)

1206    3.0 x 1.5mm    0.12 x 0.06"
0805    2.0 x 1.3mm    0.08 x 0.05"
0603    1.5 x 0.8mm    0.06 x 0.03"
0402    1.0 x 0.5mm    0.04 x 0.02"
0201    0.6 x 0.3mm    0.02 x 0.01"

DM-Toys sells pre-wired 0201 LEDs but they are fairly pricey (for me since I can solder my own leads).  They might also be available on eBay.
« Last Edit: December 02, 2018, 03:45:00 PM by peteski »
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David K. Smith

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Re: Caboose Marker Lamps
« Reply #20 on: December 02, 2018, 03:51:31 PM »
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Carl, those are simply SMD 0402 size LEDs with a cute name.  The 0201 LEDs are even smaller (and are now generally available form Digikey or Mouser).  I guess if Model Train Software ever starts selling thse, they will probably call them "Femto LEDs).  :D  Cute names for items known by another name.  I'm also amused by the fact that Model Train Software sells . . . hardware.  :D

Here are the common SMD package sizes (no cute names)

1206    3.0 x 1.5mm    0.12 x 0.06"
0805    2.0 x 1.3mm    0.08 x 0.05"
0603    1.5 x 0.8mm    0.06 x 0.03"
0402    1.0 x 0.5mm    0.04 x 0.02"
0201    0.6 x 0.3mm    0.02 x 0.01"

DM-Toys sells pre-wired 0201 LEDs but they are fairly pricey (for me since I can solder my own leads).  They might also be available on eBay.

Prewired 0201 LEDs are available on the Bay for about a buck a piece.
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carlso

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Re: Caboose Marker Lamps
« Reply #21 on: December 02, 2018, 04:49:29 PM »
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Thanks Pete, I did not know that. Much appreciate the input.

Carl
Carl Sowell
El Paso, Texas
Southern New Mexico N Scalers, Las Cruces, New Mexico

robert3985

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Re: Caboose Marker Lamps
« Reply #22 on: December 02, 2018, 05:17:57 PM »
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Does she pose nude?... :trollface:

Geez...I hope so!   :P

Cheerio!
Bob Gilmore

peteski

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Re: Caboose Marker Lamps
« Reply #23 on: December 02, 2018, 06:43:26 PM »
+1
Thanks Pete, I did not know that. Much appreciate the input.

Carl

You're welcome Carl.
Those numeric designations are quite descriptive since they indicate the device's footprint.  Split that designation into two 2-digit numbers. That gives you the dimension in hundredths of an inch. For example 0402 device is "04" and "02".  So the device's footprint is 0.04" by 0.02".  There is also a metric designation for these (in tenths of milimeters).  For example the 0402 device is also known as 1005 in metric system. So it is "10" and "05" or 1.0 mm x 0.5 mm

Knowing this comes in very handy when trying to easily visualize the size of SMD components.

Here is a handy SMD sizes chart. While it mentions resistors, the numeric designation and footprint size applies to other SMD components (like LEDs, and capacitors).
http://www.resistorguide.com/resistor-sizes-and-packages/
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carlso

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Re: Caboose Marker Lamps
« Reply #24 on: December 02, 2018, 07:07:49 PM »
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Thank you Pete. That is extremely helpful for the future. I printed the info you referred to.

Carl
Carl Sowell
El Paso, Texas
Southern New Mexico N Scalers, Las Cruces, New Mexico

haasmarc

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Re: Caboose Marker Lamps
« Reply #25 on: December 03, 2018, 11:24:10 AM »
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Prewired 0201 LEDs are available on the Bay for about a buck a piece.

David,
I see these for $2.00 a piece: https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=0201+White+Led+Pre-Wired&_sacat=0
I haven't found ones for $1.00 a piece.  If you have a link would you share it?  I would like to get some to play with.
Marc Haas
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Re: Caboose Marker Lamps
« Reply #27 on: December 03, 2018, 01:41:07 PM »
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I thought that nude joke was hilarious.
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haasmarc

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Re: Caboose Marker Lamps
« Reply #28 on: December 03, 2018, 08:25:02 PM »
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Maybe these?:

https://www.ebay.com/itm/10-Pcs-SMD-Led-0201-Red-Yellow-Green-Blue-Orange-pre-wired-Modelmaking/292740995592

I believe I need white though and achieve the colors with transparent paint.

I ordered some from Digikey.  We'll see if I have any luck wiring them.

Jim Hinds from Richmond Controls also suggested to try putting the led in the caboose and use the mounting pin as a light pipe.  Nothing but things to try.
Marc Haas
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David K. Smith

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Re: Caboose Marker Lamps
« Reply #29 on: December 04, 2018, 06:49:05 AM »
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I ordered some from Digikey.  We'll see if I have any luck wiring them.

Raw 0201 LEDs?  :scared: I ordered some back when they first hit. Caution: literally do not sneeze (or cough or even exhale sharply) around them.

I managed to wire a couple (somehow), then decided it was worth the $ to have someone else do it.

Keep searching eBay. I bought dozens of prewired white 0201s at a buck each--the listings come and go.
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