**** BEGIN LOGGING AT Sun Apr 11 02:59:56 2021
Apr 11 03:00:39 <set_> But, their wiring diagrams will be handy to have...esp. for the eight pin and four pin molex mini fit jr's.
Apr 11 03:02:20 <buzzmarshall> teknic's make nice stuff
Apr 11 03:02:26 <set_> Davinci93: Those servos have three different builds.
Apr 11 03:02:50 <set_> Software controlled, PWM and GPIO, and then another form. I forget now. Let me look it up.
Apr 11 03:03:27 <buzzmarshall> Davinci93... one thing to think about before even going down the hard choice is how you plan on controlling your machine
Apr 11 03:03:44 <buzzmarshall> how you do that will have a bearing on what you will need to buy
Apr 11 03:03:55 <Davinci93> I think I can strike a cord with them with my whiskey blending robot project, lol (since they already built a cocktail mixer)
Apr 11 03:03:57 <buzzmarshall> if your building then its a different story
Apr 11 03:03:57 <Davinci93> haha
Apr 11 03:04:16 <buzzmarshall> lol
Apr 11 03:04:44 <set_> https://www.teknic.com/products/clearpath-brushless-dc-servo-motors/clearpath-sd-servo/
Apr 11 03:04:47 <set_> That is the other one.
Apr 11 03:05:08 <set_> I mean, daisy-chaining any controller will work.
Apr 11 03:05:45 <set_> As long as your source can handle it. Like w/ Klipper, you can have unlimited motors in theory.
Apr 11 03:06:07 <set_> z1...z(n).
Apr 11 03:06:07 <buzzmarshall> most 3d printers basically pilfered the grbl atmel code and then added the hot end code so all the 3d software is setup to work with the gcode for that type of control
Apr 11 03:07:09 <buzzmarshall> hm... i don't thnk i would say unlimited... with things like latency and resources there will be a limit to how many ouputs at some point
Apr 11 03:07:19 <set_> The board can handle five motors, i.e. the Replicape. Right? So, why not daisy-chain it to produce motor outputs by the plenty?
Apr 11 03:07:21 <set_> Right.
Apr 11 03:07:21 <Davinci93> https://www.youtube.com/watch?v=SRenvqxL6bI&t=166s
Apr 11 03:07:59 <Davinci93> well... at this point it seems that you can't even buy more replicapes (at least not on their site)
Apr 11 03:08:40 <Davinci93> not sure how to daisy chain this shit. I'm not there yet with the knowledge  on this
Apr 11 03:10:09 <buzzmarshall> personally i would look at the teknics stuff as replicape and its derivatives seem kinda flaky with support and even getting the boards
Apr 11 03:10:22 <buzzmarshall> by the time you find them you can build your own
Apr 11 03:11:01 <buzzmarshall> they seemed more like personal project for a few guys wanting them and then kinda got stuck there
Apr 11 03:11:17 <buzzmarshall> teknics is more like a real product with support
Apr 11 03:12:14 <buzzmarshall> i seen the clearcore drink maker awhile and it looked pretty neat
Apr 11 03:12:34 <set_> I never saw that one.
Apr 11 03:12:44 <set_> Not even after watching it.
Apr 11 03:13:00 <buzzmarshall> someone else told me someone is using them for a automated cake decorator as well
Apr 11 03:13:08 <set_> https://youtu.be/R7bgAo0EINI
Apr 11 03:13:27 <set_> That is the BBB demo. for the older model of their board(s).
Apr 11 03:15:02 <buzzmarshall> those servos are nice as the driver is right on them and if your machine design can work with small motors of that style its probably the best way to go
Apr 11 03:16:09 <set_> brb
Apr 11 03:16:20 <Davinci93> that's so cool. smart with the drivers being right on the motors (can use the part of the motor to dissipate the heat probably)
Apr 11 03:16:29 <buzzmarshall> so basically you just need a controller that can output the control signals
Apr 11 03:17:13 <buzzmarshall> yea for smaller motors they are the way to go... much better then the typcial ramps type of controller you see in the 3d printer hobbie
Apr 11 03:17:14 <Davinci93> you guys have been really helpful in steering me in the right direction
Apr 11 03:17:35 <Davinci93> it got me excited about my project again
Apr 11 03:17:56 <buzzmarshall> the only thing i am not sure of with the teknics stuff is the software end of them
Apr 11 03:18:30 <Davinci93> yeah, I wish it was python based, but I guess I'll have to dust off my C++ from college lol
Apr 11 03:20:01 <Davinci93> the other thing that would be helpful is CV integration, but since teknic  stuff seems to work with BBB I could control it through that and integrate CV on BBB
Apr 11 03:20:04 <buzzmarshall> using gcode and linux there are lots of ways to control the motors
Apr 11 03:20:33 <buzzmarshall> its just a matter of finding something that can handle enough outputs for the amount of motors you need
Apr 11 03:28:38 <buzzmarshall> if the teknics stuff is to pricey or overkill motor size wise you can always look for normal steppers with integrated drivers which would be cheaper
Apr 11 03:29:19 <set_> Oriental Motor has many!
Apr 11 03:29:43 <buzzmarshall> servo's are more expensive just faster and more accurate then steppers but speed and that type of accuracy may not be needed
Apr 11 03:30:05 <buzzmarshall> ya most makers should have integrated models as well
Apr 11 03:31:05 <set_> Dayton may be too expensive. I purchased some new motors from them, plain ole dc w/ gears, a while back. Phew. Expensive.
Apr 11 03:32:11 <buzzmarshall> ya they can get expensive depending on what your buying
Apr 11 03:34:01 <set_> buzzmarshall: Do you plan on making many of those boards?
Apr 11 03:37:00 <buzzmarshall> i need a few for a machine i am working on but once i prove the design will have it on my github
Apr 11 03:37:21 <set_> Nice.
Apr 11 03:37:26 <buzzmarshall> normally i would just make my own boards but its easier and not that expensive these days to send it out
Apr 11 03:37:36 <set_> Right.
Apr 11 03:38:00 <set_> I have noticed that recently. There are a lot of mfg. types boasting of cheap mfg. costs.
Apr 11 03:38:55 <buzzmarshall> ya places like Oshpark make things much simpler
Apr 11 03:40:57 <buzzmarshall> basically there will be a break-out board for whatever dev board i go with and then a driver board that goes at the motor location
Apr 11 03:41:17 <buzzmarshall> right not i am looking at the bbb and bbai boards
Apr 11 03:42:45 <buzzmarshall> tho recently i started looking at allwinner h6 and its ar100
Apr 11 03:44:01 <set_> Oh.
Apr 11 03:45:00 <set_> So, one or two add-ons/Capes for the BBB.
Apr 11 03:45:19 <buzzmarshall> right now tho its just something kinda distracting me as the Allwinners a SoC i never played with before
Apr 11 03:45:49 <set_> Aw. yea. New things are a pain for the entire onslaught of usage.
Apr 11 03:46:05 <buzzmarshall> ya thats the general idea... i prefer a cape/overlay rather then a totally embedded board
Apr 11 03:46:55 <set_> It seems that the 4500 page TRM for the am335x is never going to end. I hate having to reference it when looking up ideas instead of knowing where to go.
Apr 11 03:47:30 <buzzmarshall> i still like the bbb tho as the pru's are my real interest
Apr 11 03:47:54 <set_> But...that is the niceness of PDF files these days. I see less and less of the PRU development being passed around.
Apr 11 03:48:15 <buzzmarshall> just not sure how many output channels i can squeeze out of the bbb
Apr 11 03:48:28 <set_> You mean b/c of mA?
Apr 11 03:48:52 <buzzmarshall> more motors mean more control pins required
Apr 11 03:49:29 <buzzmarshall> most motors openloop style will require at least 3 pins per motor for control
Apr 11 03:49:48 <buzzmarshall> closed loop is a bit more because of the feedback
Apr 11 03:50:15 <set_> Sort of. There are specific chips, do not ask me which ones, that handles a slew of the output pins as a single pin. Hmm. I never really read about open/closed-loop ideas.
Apr 11 03:51:13 <buzzmarshall> you can multiplex pins but still as the motor count goes up so does the pin requirement
Apr 11 03:51:38 <set_> Right. B/c of the drivers. I guess big boards w/ another chip are passe?
Apr 11 03:51:47 <set_> Oh!
Apr 11 03:52:16 <set_> Forget it. My train of thought just dove.
Apr 11 03:52:19 <buzzmarshall> most closed loop is contained between the motor's encoder and the driver but still on the control side you'll need a pin or two for feedback
Apr 11 03:52:31 <Davinci93> I'm emailing the TEKNIC folks
Apr 11 03:52:45 <set_> Davinci93: They will call you!
Apr 11 03:52:55 <set_> Do you like phone conversations?
Apr 11 03:53:06 <Davinci93> I'm in Japan now, so time difference might be an issue, lol
Apr 11 03:53:12 <set_> Ha.
Apr 11 03:53:20 <Davinci93> EST + 15h
Apr 11 03:53:24 <set_> Yikes.
Apr 11 03:53:46 <Davinci93> yeah, tell me about it
Apr 11 03:54:07 <set_> You type English well for being in Japan.
Apr 11 03:54:24 <Davinci93> lol. I just moved here man. I'm not from Japan
Apr 11 03:54:29 <set_> How is COVID over there? Oh.
Apr 11 03:54:47 <GenTooMan> set_ just because he's in Japan doesn't make him Japanese. Just like being in Korea.
Apr 11 03:54:55 <Davinci93> covid is getting under control here, they just opened up Tokyo, so that's good
Apr 11 03:55:23 <GenTooMan> Tokyo city packed tightly.
Apr 11 03:55:38 <set_> GenTooMan: !
Apr 11 03:55:42 <Davinci93> lotta ppl here for sure
Apr 11 03:55:49 <set_> That is what I have read.
Apr 11 03:55:49 <Davinci93> enjoying the culture
Apr 11 03:56:21 <set_> Good steaks?
Apr 11 03:56:27 <Davinci93> but need to build my whiskey blending thingamajigger to enjoy it here even more ;)
Apr 11 03:56:29 <set_> Nice!
Apr 11 03:56:48 <Davinci93> beef is good here, Wagu will rock your world
Apr 11 03:57:05 <set_> Double Nice!
Apr 11 03:57:22 <Davinci93> yeah, nothing to complain about
Apr 11 03:57:59 <Davinci93> again, thanks for pointing me towards teknic. I'm excited about my project again
Apr 11 03:58:07 <set_> I keep reading about that stuff. Our meat dept. everywhere here should have healthy, dead cow. But...nope. Fatty, non-marbled, and disgusting cuts. I am so upset w/ us as Louisianians.
Apr 11 03:58:09 <set_> Okay!
Apr 11 03:58:12 <set_> You are welcome.
Apr 11 03:58:53 <set_> Most of our local dist. have issues w/ local farmers. It is obvious.
Apr 11 03:59:27 <set_> Farmer Fred says, "No, this is as good as it gets," as he snickers away on tippy-toes.
Apr 11 04:00:24 <set_> Whiskey!
Apr 11 04:00:33 <Davinci93> we moved here from Utah, had a local farmer there who had good quality beef, I appreciated being able to buy stuff straight from the farmer, the mega factories are dead to me
Apr 11 04:00:53 <Davinci93> but we're off topic, whiskey!
Apr 11 04:00:56 <Davinci93> :D
Apr 11 04:01:00 <set_> Right. I try b/c of cost but...you are right.
Apr 11 04:01:07 <set_> Off topic.
Apr 11 04:01:40 <Davinci93> ok, gotta go and read up on teknic stuff. chat with ya'll later. and thx again.
Apr 11 04:01:46 <set_> Davinci93: If you are to use the older board they have w/ the BBB...oh. Okay.
Apr 11 04:02:05 <set_> Later.
Apr 11 04:02:05 <set_> Nice.
Apr 11 04:03:19 <Davinci93> I'd love to use BBB so that I'd have a full linux, and could do CV in my project
Apr 11 04:04:33 <Davinci93> need to see the dial on the pipette read out (I mean I'll do the revolution count on the volume dial as well, but using CV as a backup / validation of the right setting would be cool)
Apr 11 23:49:04 <set_> Check this out! https://www.mouser.com/ProductDetail/Epson-ICs/S5U13513R00C100?qs=HXFqYaX1Q2zwJteBEqKZWQ%3D%3D
**** ENDING LOGGING AT Mon Apr 12 02:59:56 2021