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Search: Posts Made By: gregc
Forum: HO Scale 07-09-2019, 04:41 PM
Replies: 9
Views: 219
Posted By gregc
a non-sound DCC decoder has just a few...

a non-sound DCC decoder has just a few components: bridge-rectified, capacitor, regulator, processor and H-bridge.

i don't think it would be that difficult to to find a problem once the parts are...
Forum: HO Scale 07-08-2019, 07:43 AM
Replies: 3
Views: 151
Posted By gregc
when a PowerCab sees messages from a command...

when a PowerCab sees messages from a command station (e.g. PowerCab), it changes modes and behaves like a PowerPro cab. Like any other cab, it can be programmed with a specific cab address.

make...
Forum: HO Scale 07-06-2019, 03:08 PM
Replies: 27
Views: 1,055
Posted By gregc
i recently worked on a layout that was high...

i recently worked on a layout that was high enough that you can sit on a chair under the layout to do work.
Forum: HO Scale 07-06-2019, 12:18 PM
Replies: 15
Views: 645
Posted By gregc
??? wow

??? wow
Forum: HO Scale 07-05-2019, 07:34 PM
Replies: 27
Views: 1,055
Posted By gregc
i was told pallets are made of rough cut oak and...

i was told pallets are made of rough cut oak and the best use for them is to burn them in a fire. But if you can make better use of them, good for you. Of course you'll probably have to pre-drill...
Forum: HO Scale 07-05-2019, 06:55 PM
Replies: 27
Views: 1,055
Posted By gregc
why not just screw a strip of 1-1/2 vertically...

why not just screw a strip of 1-1/2 vertically under the shelf -- Linn Westcott's L-girder
Forum: HO Scale 06-29-2019, 10:43 AM
Replies: 5
Views: 218
Posted By gregc
try to isolate the problem if you're certain...

try to isolate the problem

if you're certain track has power (LED or multimeter) then it could be wheel contact. dirty wheels could be cause. It may be helpful to make sure the loco runs over...
Forum: DCC Forum (Digital Command Control) 06-28-2019, 05:42 AM
Replies: 30
Views: 669
Posted By gregc
i thought the power supply of a powerCab was...

i thought the power supply of a powerCab was rated at ~2A. It comes with a p114 power supply rated at 2A (https://www.amazon.com/NCE-NCE5240221-Power-Supply-P114/dp/B005M8GT46).

Use of ANY...
Forum: HO Scale 06-26-2019, 05:33 PM
Replies: 8
Views: 282
Posted By gregc
he tried. It's not being displayed (???) ...

he tried. It's not being displayed (???)

http://raleigh-nc.com/Loop.jpg
Forum: HO Scale 06-25-2019, 11:59 AM
Replies: 8
Views: 282
Posted By gregc
everything within the reverse loop should be...

everything within the reverse loop should be wired together and to the auto-reverser
Forum: DCC Forum (Digital Command Control) 06-24-2019, 03:06 PM
Replies: 19
Views: 552
Posted By gregc
there's a diagram ~halfway down on this page,...

there's a diagram ~halfway down on this page, Turnout Indicator Lights with Peco Switch Machines (http://www.railroad-line.com/forum/topic.asp?TOPIC_ID=42568)

this forum will not display the image...
Forum: DCC Forum (Digital Command Control) 06-23-2019, 06:06 AM
Replies: 19
Views: 552
Posted By gregc
how would you add LEDs with a Peco switch...

how would you add LEDs with a Peco switch machines? Do Peco's require a momentary pulse?
Forum: DCC Forum (Digital Command Control) 06-23-2019, 05:14 AM
Replies: 19
Views: 552
Posted By gregc
i don't see a need for a turnout controller to...

i don't see a need for a turnout controller to have extra outputs to control both the turnout and something else (e.g. panel indicator, signal). why not just use the signal used to control the...
Forum: General Model Train Discussion 06-21-2019, 06:33 PM
Replies: 3
Views: 166
Posted By gregc
looks like an analog multi-vibrator circuit...

looks like an analog multi-vibrator circuit (https://electronics.stackexchange.com/questions/12283/how-does-an-astable-multivibrator-led-blinking-circuit-work). Assume it can be turned on by...
Forum: DCC Forum (Digital Command Control) 06-21-2019, 12:42 PM
Replies: 19
Views: 552
Posted By gregc
signals are normally used to indicate whether the...

signals are normally used to indicate whether the next or following blocks are occupied by a train. Red (stop) if the next block is occupied and yellow (approach) if the following block is...
Forum: Technical Model Train Forum 06-19-2019, 06:55 PM
Replies: 13
Views: 378
Posted By gregc
i don't thinks it's been made clear why you want...

i don't thinks it's been made clear why you want a short isolated unpowered section of track.





i don't believe there is any issue with the same wheel simultaneously bridging the pair of...
Forum: Technical Model Train Forum 06-19-2019, 06:04 AM
Replies: 13
Views: 378
Posted By gregc
if i understand this, there is a isolated...

if i understand this, there is a isolated unpowered section of track between 4 gaps at each end of the reverse loop. short enough for a loco (e.g. 0-6-0) to span but long enough that an all metal...
Forum: Technical Model Train Forum 06-18-2019, 05:00 PM
Replies: 13
Views: 378
Posted By gregc
of course there are two gaps, one in each rail...

of course there are two gaps, one in each rail and since the polarity of the rails across a single gap are opposite, a short occurs if just on gap is bridged by a metal wheel.

i agree a train can...
Forum: Technical Model Train Forum 06-17-2019, 07:00 AM
Replies: 2
Views: 167
Posted By gregc
in what respect does polarity matter? how are...

in what respect does polarity matter? how are you wiring your lights?
Forum: HO Scale 06-13-2019, 04:04 PM
Replies: 30
Views: 795
Posted By gregc
i'm asking about usability, the user interface...

i'm asking about usability, the user interface ...

My understanding is that the pico-processors (pic) used in NCE or Digitrax command stations and controllers are the equivalent of the arduino...
Forum: HO Scale 06-13-2019, 02:56 PM
Replies: 30
Views: 795
Posted By gregc
of course but how many locomotives can you...

of course

but how many locomotives can you realistically control thru a single "user" interface?
Forum: HO Scale 06-13-2019, 02:15 PM
Replies: 30
Views: 795
Posted By gregc
gotta wonder how many locomotives can be run and...

gotta wonder how many locomotives can be run and how much power is needed if they are all controlled via a single (?) PC (serial interface).
Forum: HO Scale 06-13-2019, 09:12 AM
Replies: 30
Views: 795
Posted By gregc
"User friendly isn't powerful". where's the...

"User friendly isn't powerful". where's the green button?

my NCE throttle (http://www.pacificsouthern.org/Members/Gregc/NceCab/nceCab.html).
Forum: HO Scale 06-13-2019, 08:26 AM
Replies: 30
Views: 795
Posted By gregc
maybe that's why more people aren't interested. ...

maybe that's why more people aren't interested. It's more that knowing something about Arduino or cutting traces.

they want a complete solution: base-station, booster and controller(s).
Forum: HO Scale 06-13-2019, 08:02 AM
Replies: 30
Views: 795
Posted By gregc
what controller do you use as a throttle?

what controller do you use as a throttle?
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