#robotics Logs
May 31 2018
#robotics Calendar
12:14 AM orlock: https://www.youtube.com/watch?v=aWZSSPPPX3A
12:22 AM rue_shop4: thats freaking scarry
12:23 AM rue_shop4: bit of a knock in it tho
12:23 AM rue_shop4: ok, my extruder is assebled
12:28 AM mrdata: have extruder, will travel
12:35 AM rue_mohr: I have an interest in sitting down and making a chocolate extruder
12:36 AM rue_mohr: try to accomodate the fancy thermal profile
12:54 AM mrdata: seems like a worthy goal
12:54 AM mrdata: you can build an army of chocolate minions
12:54 AM rue_mohr: and then gobble them all up
12:54 AM rue_mohr: hahahahahaha
12:55 AM rue_mohr: er..
12:55 AM rue_mohr: <evil> HAHAHAHAHAHA </evil>
01:38 AM z64555: contingency planning
01:55 AM rue_mohr: "did you EVEN CHECK, ANY of these stls BEFORE you tried to print them!?!?!!?"
02:23 AM Jak_o_Shadows: Hmm. Why am i not rejoining
02:23 AM Jak_o_Shadows: theBear, if you can keep your arms nice and still while holding a (empty) cooking tray, you're dong better than me
02:37 AM rue_bed: Jak_o_Shadows, ?
02:38 AM rue_bed: Jak_o_Shadows, if your like me, you have to join so infreuently that you never fixed the autojoin list properly
02:39 AM Jak_o_Shadows: Hmm. It's sorta more that irc isn't reconnecting.
03:22 AM Jak_o_Shadows: Hmm. 2.4V minimum vRef, 12bit ADC, what resolution do I get at the bottom end.
03:35 AM orlock: would be be 2.4/4096?
03:36 AM Jak_o_Shadows: yup. Or about half a millivolt
03:37 AM Jak_o_Shadows: I've got a HB100 doppler radar module, and am wondering if I can just digitse the signal, then deal with it later
03:38 AM orlock: got an oscope?
03:38 AM Jak_o_Shadows: Yup
03:38 AM Jak_o_Shadows: I haven't figured out how to connect it to computer to take screenshots though
03:39 AM orlock: i'm just wondering when you get to that level, your voltage stability probably comes into it a bit
03:41 AM Jak_o_Shadows: Yeah. People online were talking about noise from the power supply and stuff as well
03:47 AM Jak_o_Shadows: Through, looking at the oscope, Stuff within 40cm or so seems to have quite a large signal
09:21 AM rue_mohr: you need a pretty stable supply for that
09:45 AM durrf is now known as sports`ball`net
12:57 PM eryc_ is now known as eryc
07:24 PM rue_mohr: zhanx, I should make a bolt hobber tho
07:25 PM rue_mohr: zhanx, ok, I'll put an envelope in the work van
07:25 PM zhanx: you have a lathe so yes
07:25 PM rue_mohr: there is supposed to be a peice of paper in there with your address tho...
07:25 PM rue_mohr: 1 min
07:25 PM zhanx: let me
07:25 PM zhanx: know
07:26 PM zhanx: oh and toss in a motor driver that you can teach me to use but not make it a 4 year degree on
07:26 PM rue_mohr: what kinda motor?
07:26 PM rue_mohr: stepper?
07:27 PM rue_mohr: dc?
07:27 PM rue_mohr: I think your address is in my PM log
07:27 PM zhanx: stepper
07:27 PM rue_mohr: funny enough, I'm not sure where thats stored
07:28 PM rue_mohr: for small and mid sized stepeprs, use the drivers on the reprap
07:28 PM zhanx: k
07:29 PM rue_mohr: the rest isn't in the log of this client
07:29 PM rue_mohr: heh
07:30 PM rue_mohr: I need a padded envelope
07:30 PM rue_mohr: and room, heheh
07:31 PM rue_mohr: see what I have for hobbed bolts
07:31 PM rue_mohr: might be time to make sure
07:31 PM rue_mohr: more
07:31 PM rue_mohr: oh I'm tired
07:39 PM rue_mohr: ok, got one, its not deep hobbing, but it dosn't need to be
07:39 PM rue_mohr: ok I'll put it on the counter by my keys
07:41 PM rue_mohr: zhanx, did you get the pinout on those stepper drivers?
07:42 PM zhanx: no
07:42 PM rue_mohr: they put it on the back, but its prettymuch just step and driection
07:53 PM rue_mohr: https://dirtypcbs.com/store/designer/pcbs?p=11
07:53 PM rue_mohr: there is a lot of stuff in here
07:55 PM rue_mohr: lots of atari boards
07:55 PM rue_mohr: I wonder if I should go into town this saturday and get solder
08:00 PM rue_mohr: no state machine baords tho
08:01 PM orlock: yay
08:01 PM orlock: new plastic arrived
08:01 PM rue_mohr: already?
08:01 PM orlock: 1kg black PETG, 1kg translucent green PLA, 1KG purple ABS, 2KG spool of white PLA
08:02 PM rue_mohr: I'm gonna bet $1 you have problems with the translucent pla *just snapping*
08:02 PM orlock: free shipping, and $20 off via a "first time" coupon code
08:02 PM orlock: Maybe - I've printed with completely clear PLA before with no issues
08:03 PM rue_mohr: no problems with the filament *just* breaking
08:03 PM rue_mohr: while it sits there?
08:03 PM orlock: Not from the mot recent vendor
08:03 PM rue_mohr: or parts that *just* come apart after 2 weeks of gentle pressure on them?
08:03 PM rue_mohr: huh
08:03 PM orlock: the one i originally used was pretty bad for that, yes
08:03 PM orlock: parts breaking like that? no
08:03 PM orlock: the place i bought my printer kit from also made filament
08:04 PM orlock: they wound it very tightly, etc etc, snapped lots
08:04 PM orlock: i wasnt storing it properly as well i think
08:05 PM orlock: https://www.xtron.com.au/products/mamorubot-pla-1-75mm-1kg-3d-printer-filament
08:06 PM orlock: but i didnt have any of those issues with the clear filament from Plastrude
08:06 PM orlock: but they have been making filament since before 3d printing was a thing
08:08 PM orlock: excited to try the petg
08:10 PM rue_mohr: petg is strong or flex?
08:10 PM orlock: rue_mohr: you know plastic coke bottles, etc?
08:10 PM orlock: it's that
08:11 PM orlock: PET and the G is an additive to make it usefull
08:11 PM orlock: also, wandered past the scrap bin
08:11 PM orlock: found a rotary stage with stepper in it, yay
08:12 PM orlock: will make it a platfom for a 3d scanner
08:12 PM orlock: from some biotech smple processing robot i assume
08:12 PM orlock: there were also a pile of small metal wireframe trays
08:12 PM orlock: but i suspect they may have been used to hold.. biological samples..
08:12 PM orlock: so i'll just leave them....
11:23 PM rue_shop4: the cap is one the bottle is the other