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Home   Forums   Events Calendar   Sponsors   Support the RRLine   Guestbook   FAQ     Register Active Topics | Active Polls | Resources | Members | Online Users | Live Chat | Avatar Legend | Search | Statistics Photo Album | File Lister | File Library [ Active Members: 5 | Anonymous Members: 0 | Guests: 237 ]  [ Total: 242 ]  [ Newest Member: PRRJim ]  All Forums  Model Railroad Forums  Startin' from Scratch  YA3DP Previous Page | Next Page  New Topic |    New Poll |   Reply to Topic |  Author Topic Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 of 13 BurleyJim Fireman Premium Member Posted - 02/09/2021 :  4:03:50 PM     Thanks Fred. It's been interesting, if nothing else. Jim Take the red pill Country: USA | Posts: 6161 jbvb Fireman Premium Member Posted - 02/09/2021 :  4:31:57 PM       Jim, I was complimenting the photo of #173 demonstrating that its headlight had power Country: USA | Posts: 6802 BurleyJim Fireman Premium Member Posted - 02/09/2021 :  7:34:17 PM     quote: Originally posted by jbvb Jim, I was complimenting the photo of #173 demonstrating that its headlight had power That's what I figured after Karl let me know the Dropbox URL was incorrect. 173 is probably 'thee best' running loco I own. Maybe a scale Million Miler. Jim Take the red pill Country: USA | Posts: 6161 Guff Fireman Premium Member Posted - 02/09/2021 :  10:08:11 PM       Jim, I watch your work in amazement even though I have no clue what you are writing about. David Guffey Country: USA | Posts: 2095 railman28 Fireman Posted - 02/09/2021 :  11:48:23 PM     Jim, Do a search on Youtube for Arduino turntable. It can be done. It's only make-believe Country: USA | Posts: 5710 BurleyJim Fireman Premium Member Posted - 02/09/2021 :  11:52:26 PM     Dave, that makes two of us. I hopped over to: BURLEY JIM - HARDWARE and ELECTRONICS Pre-Grand Opening, and looked at some of the stuff you let me drag over. Packed away was this Stepper motor from another old stalled idea. Oops! Not Inventoried in the database. It looked like a possible candidate, I tested it quickly with my Arduino UNO, (another rabbit hole!) it worked. So I drew up a mounting plate for it, and started it up on the printer a little before supper. I retrieved it around 9pm and after a boring episode of 'Oak Island' and checked out the fit. I drew the countersunk holes for the 3mm Socket head cap screws to mount flush with the bottom of the plate. It will be flipped over and mounted in place of the servo, and tested there. I'll build the adapter to the turntable tomorrow. I've got 7 minutes before I turn into a pumpkin. Jim Take the red pill Edited by - BurleyJim on 02/09/2021 11:53:34 PM Country: USA | Posts: 6161 BurleyJim Fireman Premium Member Posted - 02/10/2021 :  12:17:43 AM     quote: Originally posted by railman28 Jim, Do a search on Youtube for Arduino turntable. It can be done. Thanks Bob, when do you start building one, or have you started already? Jim Take the red pill Country: USA | Posts: 6161 railman28 Fireman Posted - 02/10/2021 :  01:23:25 AM     quote: Originally posted by BurleyJim quote: Originally posted by railman28 Jim, Do a search on Youtube for Arduino turntable. It can be done. Thanks Bob, when do you start building one, or have you started already? Jim I'm just gathering information at this point. While I've considered adding a motor and indexing system I think I'll be happy using a hand crank to operate the turntable but I'm looking for ways to have operating doors on the roundhouse. I have been following along here and found your method instructive but I want to detail the interior So I would rather have the servos and linkage below deck. I provided the suggestion in an effort to help you continue to make progress. Bob It's only make-believe Country: USA | Posts: 5710 BurleyJim Fireman Premium Member Posted - 02/10/2021 :  05:47:54 AM     Thanks again Bob, The problem I saw was coming up with a way to pivot the doors in unison with one servo at the bottom. The track and engine kept getting in the way. I had enough room 'above' to pull it off, so that's the route I took. I'll be very interested in how you do yours. Jim Take the red pill Country: USA | Posts: 6161 Dutchman Administrator Premium Member Posted - 02/10/2021 :  08:29:59 AM     Jim, another Step(per)in the right direction! Bruce Country: USA | Posts: 33283 Guff Fireman Premium Member Posted - 02/10/2021 :  12:52:59 PM       Jim, It's nice to have your own hardware and electronics business. David Guffey Country: USA | Posts: 2095 Bernd Fireman Posted - 02/10/2021 :  2:22:22 PM       That stepper looks like it'll do the trick. It'll be interesting to see it all put together and operating. Bernd New York, Vermont & Northern Rwy. - Route of the Black Diamonds Country: USA | Posts: 3949 BurleyJim Fireman Premium Member Posted - 02/10/2021 :  2:38:40 PM     I hope so Bruce. Dave, You're the the guy who built it! It's getting close Bernd, The stepper is definitely a better method than the Servo which is just too sloppy to control. This stepper is a 400 steps/rev unit which enable .9 degree resolution. 11 steps will allow me 9.9 degrees between stops at the roundhouse tracks. Close enough for Gov'mt work. Jim Take the red pill Country: USA | Posts: 6161 Frank Palmer Fireman Posted - 02/12/2021 :  7:05:31 PM       Stepper Motor. Oh man it's after 7, time for some ice-cream. Frank Edited by - Frank Palmer on 02/12/2021 7:14:02 PM Country: USA | Posts: 6129 CNE1899 Engine Wiper Supporting Member Posted - 02/12/2021 :  8:02:21 PM     Wow Jim, My head is spinning round and round with all these developments, oh wait it's the turntable. I love all the mish mash of found stuff, and printed stuff, jigs, and testing. Good thing I have a beer next to me. 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