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Type: Posts; User: TwinDad

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  1. Replies
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    As long as the voltage on the output (super-cap)...

    As long as the voltage on the output (super-cap) side of the regulator is above the input voltage, current leakage should be negligible or zero. It's basically a comparator/op amp driving (what I...
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    My room is literally "Sky Blue", and I used the...

    My room is literally "Sky Blue", and I used the same paint for the backdrop. Slightly unrealistic since I didn't bother with a fade or anything, but it looks very good and does not affect photo...
  3. Where'd you get the mounting brackets for your...

    Where'd you get the mounting brackets for your servos?
  4. it's not really designed for really low currents,...

    it's not really designed for really low currents, but at the price it can't hurt to order one and try it out.
  5. Can you share a link to the actual product?

    Can you share a link to the actual product?
  6. I'll second this. I'm using Arduinos all over my...

    I'll second this. I'm using Arduinos all over my layout, most with custom circuitry I designed myself surrounding them. When it came to current-based detectors, I did a bunch of work and...
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    Hey y'all! Sorry I've been incommunicado for...

    Hey y'all!

    Sorry I've been incommunicado for so long. I appreciate your concern. All is well at TD's house, as much as ever. I've been in a very new role at work that has consumed a great deal...
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    Wow. You step away for a bit and everything goes...

    Wow. You step away for a bit and everything goes crazy. Glad to hear you are recovering well, Komata!
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    Nah. I got distracted. Haven’t done much of...

    Nah. I got distracted. Haven’t done much of anything train related lately. My daughter is graduating HS and we have been college searching. I should probably pick this back up. I have the load cells...
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    Wow. The end of an era, eh? But new beginnings...

    Wow. The end of an era, eh? But new beginnings as well?
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    @Tim R...

    @Tim R gives good advice (as usual)

    I'm terrible at routing things neatly, and I do use suitcase connectors (I probably shouldn't). For reference, here's my wiring standards:

    Main Bus: 14AWG...
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    I'm going to have to try this out some time. ...

    I'm going to have to try this out some time. Looks like a really convenient setup.
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    You might still want to involve JMRI (possibly on...

    You might still want to involve JMRI (possibly on a Pi) if for no other reason than it would be easier to implement the logic. JMRI can monitor the Arduino(s) for sensor messages and use its own...
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    Fair point. I wouldn't expect the range to be...

    Fair point. I wouldn't expect the range to be all that great. My club is interested in the "wow" factor of using "cool stuff" like the Pi and the Arduino when they do demonstrations at the library...
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    Incidentally, if you are fond of the Digitrax...

    Incidentally, if you are fond of the Digitrax LNWI or MRC Prodigy WiFi devices but really wish you could connect more than four (or eight) phones at a time without buying multiple devices...

    You...
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    I came back across this thread while setting up a...

    I came back across this thread while setting up a Raspberry Pi Zero W for my club, and since it is both (a) very good and (b) linked to from the official JMRI website, I thought I'd add a few...
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    Points for an excellent layman's description of...

    Points for an excellent layman's description of what's going on, and bonus points for heading off the pedantic 1/0 correction at the pass. Well done, Leo.
  18. Thread: Wiring

    by TwinDad
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    Gonna need some more info to give an answer that...

    Gonna need some more info to give an answer that will be correct for YOU...

    Are you DC or DCC?
    How big is your layout?
    How much do you plan to expand it?
    What's the longest run from your...
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    Wait-what? AWG 6?? How far are you stringing that...

    Wait-what? AWG 6?? How far are you stringing that stuff? Or how much current are you pulling?? That stuff is massive!

    Oh wait... you mean on the prototype, right?
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    That was part of a 50+ car all-UP train on an HO...

    That was part of a 50+ car all-UP train on an HO scale modular layout at the Great Train Show in Louisville, KY last weekend. The point of the post was to test whether (or how) I could embed photos...
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    Great news! I'm glad it turned out to be an...

    Great news! I'm glad it turned out to be an easily correctible problem.
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    I suppose I should post an update. Work...

    I suppose I should post an update. Work progresses, though extremely slowly. I have a friend coming over on Saturday to take some measurements of the curved lift bridge. He's going to help me...
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    Wait. What the heck? The link doesn't show up in...

    Wait. What the heck? The link doesn't show up in the post, but it does show up in your quote of the post??

    That's strange.
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    Sorry to hear that. I didn't realize they had...

    Sorry to hear that. I didn't realize they had restricted that forum so much. It may indeed be your post count, but that doesn't really make much sense.



    Ah. Yeah, your motor shield is bad. ...
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    Which... forum? Have you tried the DCC++ forum...

    Which... forum? Have you tried the DCC++ forum on Trainboard? I don't recall there being a need for special permission (other than site membership) to use that...

    If you haven't already, walk...
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