#robotics Logs

Nov 20 2013

01:28 MrCurious GuShH:
01:31 madist GuShH sounds like a pornstar name
09:07 rue_house no heat this morning, the automation message service crashed, the io application didn't get the message from the scheduling app
09:08 GargantuaSauce ya know what turns on my heat?
09:08 GargantuaSauce a $10 thermometer
09:08 GargantuaSauce it has yet to fail me!
09:08 rue_house yea, mine is not just heat control, but heat source control,
09:09 GargantuaSauce on that note there's goddamn snow on the ground
09:09 GargantuaSauce and it makes me BITTER
09:09 rue_house its scheduled to come on in the morning before work, off just beofre I leave, turn on in time to warm up when i get back, and off at night
09:09 rue_house except weekends and holidays and special events
09:09 rue_house and its got a web interface
09:10 GargantuaSauce fancy
09:10 mutilator o_O
09:10 rue_house dont knwo why the message service crashed tho...
09:10 rue_house its dirt simple
09:11 rue_house 300W dosn't sound like verry much to me
09:12 rue_house it seems that the arduino library has a 'map' function, that can be kinda handy,
09:13 rue_house I realized I'd already implemented it in one of my programs
09:13 rue_house so I'm thinking of breaking it out into its own function
09:13 rue_house maybe call it map
09:13 rue_house maybe ... remap
09:13 rue_house linremap
13:02 GuShH rue_house: you are doing it wrong, use proximity and fuzzy logic instead!
13:03 GuShH you can learn via proximity (bluetooth or even based on entry sensors) when exactly it's needed and then offset by how long it takes to acheive a reasonable temperature
13:03 GuShH hard-set time is so 1960s
15:32 DagoRed .weather 18915
15:32 makepi DagoRed: Colmar, PA: Clear, 44.2 F (6.8 C), 30.54(0), Feels Like: 44 F (7 C), Humidity: 33%, Calm - Last Updated on November 20, 4:16 PM EST http://goo.gl/HPWixQ
15:32 GargantuaSauce still snowing here
15:34 GargantuaSauce .weather YYG
15:34 makepi GargantuaSauce: Charlottetown, Prince Edward Island: Light Snow Showers, 30 F (-1 C), 30.20(+), Feels Like: 17 F (-8 C), Humidity: 55%, From the NNW at 21 MPH Gusting to 37 MPH - Last Updated on November 20, 5:00 PM AST http://goo.gl/CkS3U3
16:21 GuShH Tom_itx: alright... the alu has been ordered. good guys, kinda expensive but the shipping is free, if you take that into account then it's cheaper or the same as the other providers, I'd rather go with these guys.
16:21 ShH should get a t
16:22 GuShH for some reason insurance for trucks is a lot more expensive here
16:22 GuShH even diesels pay slightly more....
16:59 Tom_itx GuShH what all did you get?
17:00 GuShH haven't got it yet, they'll give me a call
17:01 Tom_itx so you don't know what you ordered?
17:01 GuShH I do
17:01 GuShH but the list is in spanish?
17:01 GuShH http://pastebin.com/NGCgScxp
17:01 Tom_itx must be quite a list
17:02 GuShH not really at all.
17:02 GuShH it's just the first order for some tests.
17:02 GuShH 1000 is mm, this is just the format most people use around here
17:02 Tom_itx you didn't call out the alloy?
17:02 GuShH yes but it's not listed
17:02 GuShH 6063-T6 for the tubing
17:03 GuShH and it's 2005 for the rest, like I said it's for trials.
17:03 GuShH will get 6061 next.
17:03 GuShH I think the 2005 is T5 or T4? I could check
17:03 GuShH trash alloy though
17:04 Tom_itx why would you get 2000 series for _anything_ ?
17:04 GuShH lots cheaper
17:04 GuShH won't be anodizing
17:04 GuShH and there are no specific requirements
17:04 GuShH you'd be surprised, a lot of commercial products use 2000
17:05 Tom_itx no aircraft :)
17:05 GuShH no that'd be mostly 7000
17:05 GuShH and not bare at all
17:05 GuShH from what I know...
17:05 GuShH it tends to corrode when it doesn't have a finish
17:06 GuShH Tom_itx: it's about 40% cheaper in 2000 series, mostly because that's what everyone is using and it means they would have to order 6 meters worth of 6061 if I wanted some, brings the price even higher.
17:06 GuShH 6 meter is the standard length around here for steel as well
17:06 GuShH must be something to do with the bed size of trucks?
17:07 GuShH it comes out as 12 meters
17:07 GuShH then it's cut in half
17:07 GuShH big trucks are about 18.5 meters long in total, not sure how long the actual bed is
17:07 GuShH semis
17:07 ShH knows nothing about tr
17:08 GuShH anyway 2005 cuts nicely, it's just trash for anything but a polished finish (and it's slightly duller, greyer)
17:08 GuShH I don't know if it dulls the tools faster or not
17:09 GuShH Tom_itx: I think most people (hobby guys) wanting 7000 are acting on a whim
17:10 Tom_itx i just go grab whatever the surplus has on the rack
17:12 GuShH but at least they know what it is
17:13 GuShH I had a chance to visit a supplier that had some surplus on a shelf but they claimed they didn't know what they were, which I found odd
17:13 GuShH since they are all marked...
17:13 GuShH at least when they come out of the smelter they are.
17:13 GuShH I mean to say out of the production line...
17:14 GuShH coincidentally the son of one of the owners of our only smelter was a friend of my brother in school.
17:14 GuShH good people, they just have so much money they don't know what to do with it though.
18:13 ablegreen quick, is there another name for a shaft coupler?
18:13 ablegreen i'm trying to look for one
18:16 Tom_itx sdp-si dot com
18:18 GuShH ablegreen: where are you?
18:18 ablegreen berkeley, california
18:19 ablegreen thanks tom_idx
18:19 Tom_itx or mcmaster carr
18:20 Tom_itx http://www.mcmaster.com/#standard-shaft-couplings/=pgtwap
18:20 ablegreen tom_idx: my group decided the us digital encoders are too expensive. we found this one: http://www.digikey.com/product-detail/en/ENA1J-B28-L00128L/ENA1J-B28-L00128L-ND/1089390 but we're not sure how to mount it
18:21 Tom_itx flange mount
18:22 ablegreen tom_idx: Thanks! stupid question: so the encoder has those threads on its shaft. since the flange mount has threads too, do we just screw the encoder shaft in?
18:23 Tom_itx http://tom-itx.dyndns.org:81/~webpage/motors/focusring1.jpg
18:23 Tom_itx i mounted that one using a rubber grommett as a connector
18:23 ShH bl
18:23 GuShH I think ablegreen will have a bunch of parts but no way to put them together
18:23 Tom_itx i made the plastic flange as well
18:24 Tom_itx just a hole with the nut attached to the outside to hold it
18:24 Tom_itx mine had threaded holes to mount it
18:24 GuShH Tom_itx: what's that for?
18:24 Tom_itx the hell of it
18:24 Tom_itx it was a focus ring for medical equipment in a former life
18:24 GuShH oh
18:25 GuShH I was going to ask about the anodizing
18:25 Tom_itx i wasn't gonna tell you anything
18:25 GuShH hahah
18:25 Tom_itx you should ask in linuxcnc
18:26 GuShH why?
18:26 Tom_itx even though it's ot they would offer some links
18:26 GuShH that guy's site is unfinished AND HIS TABLE IS CROOKED
18:26 Tom_itx because there's guys there doing it
18:26 Tom_itx there are others
18:26 Tom_itx ninny
18:26 GuShH Actually I like the machine's he's got
18:26 GuShH Forget about a house I could live in a shop like that.
18:27 GuShH Put a toilet right in the middle, fridge and a big screen, that's all you need
18:27 ShH bl
18:27 Tom_itx i can survive without tv
18:27 GuShH not TV, just a movie or a game now and then
18:27 ablegreen wow i'm retarded, no idea why i said you an screw the encoder into the flange mount--then the shaft won't even turn
18:27 ablegreen sorry about that--we're kinda stressed out
18:27 GuShH I can't even picture what you're trying to do
18:28 GuShH got blueprintz?
18:28 Tom_itx wait til the last min to do the project??
18:28 ablegreen yep basically
18:28 GuShH just rue it.
18:28 Tom_itx turn a wheelchair wheel and have a ramp extend based on the wheel speed
18:28 Tom_itx how's that for a guess?
18:29 GuShH no need for an encoder wheel
18:29 Tom_itx don't tell him
18:29 ablegreen lol
18:29 GuShH go with the easy route, magnet and...
18:29 Tom_itx he talked about a reed switch
18:29 GuShH no need for a reed
18:30 Tom_itx hall
18:30 GuShH hall effect switch
18:30 ablegreen we have a reed switch, but then we realized we need more ticks per rev
18:30 GuShH you add more magnets!
18:30 ShH chuc
18:30 GuShH then divide, of course.
18:30 GuShH RUE IT.
18:31 GargantuaSauce https://www.youtube.com/watch?v=7JgdbFW5mEg
18:31 GargantuaSauce what if it does it subtly wrong so they're not functional
18:32 GargantuaSauce so its brethren can kill their operators!!?!
18:32 GuShH maybe it can assemble them but can it press them?
18:33 ablegreen wait
18:33 Tom_itx GuShH wanna know a secret?
18:33 ablegreen the threaded part of this encoder moves right? http://media.digikey.com/Photos/Bourns%20Photos/ENA1J-B28-L00128L.jpg
18:33 Tom_itx he's using an ardweenie for his project too
18:33 Tom_itx no
18:33 Tom_itx the shaft moves
18:33 Tom_itx the threads are for mounting
18:34 ablegreen oh okay
18:34 GuShH Tom_itx: the secret is that he's using an Arduino?
18:35 Tom_itx damn berkeley hippies
18:35 GuShH GargantuaSauce: that's a really nice platform though
18:35 GuShH the application is silly
18:35 GuShH but it's just a demo, surely.
18:36 GargantuaSauce yeah
18:37 GuShH entirely blind and assumptious.
18:37 GuShH They made a robot mom.
18:37 ablegreen tom_itx: none of the flange mounts on mcmaster seem to have screw holes
18:38 GuShH this is why you have to machine parts sir.
18:38 Tom_itx make one
18:38 GuShH everything you dream of only exists in a potential manner, trapped in raw materials.
18:38 ablegreen tom_itx: these would work right? http://www.mcmaster.com/#standard-metal-pipe-flanges/=pgu4ab
18:38 Tom_itx in this channel we seldom get anything off the shelf
18:38 GuShH what's a shelf'
18:39 Tom_itx first of all, i don't know what you have to mount it to
18:39 Tom_itx or how you plan to mount it
18:39 ablegreen just a plywood
18:39 ablegreen with a hole in it
18:39 ablegreen flat plywood board
18:39 GuShH If the hole doesn't exist yet, can I use my rifle on the plywood to assist you?
18:40 Tom_itx i need a drawing, a picture, an engineering drawing or something to work from
18:40 GuShH the entry is perfectly clean, you can mend the exit hole with some duct tape.
18:40 m_itx gives ablegreen a cra
18:40 GuShH hahaha
18:40 ablegreen haha
18:40 GuShH are crayolas edible?
18:40 Tom_itx faik they are
18:41 GuShH if they weren't, it would be a natural culling process. I vote for poison crayolas.
18:41 GuShH And arduinos working at 11kv
18:42 GuShH ablegreen: isn't part of the assignment coming up with a sound design and thus, having to create the dimensions, drawings, etc?
18:42 ablegreen yes
18:42 GuShH So where is the drawing
18:42 ablegreen i don't have solidworks, only creo and my other groupmates are busy
18:42 GuShH why use solidworks at all
18:43 GargantuaSauce pick up a damn pencil
18:43 GuShH it's not even free
18:43 ablegreen educational license is free
18:43 GuShH and if they have a student license, it'll be too limited
18:43 GuShH plus you won't be able to keep on using it later on
18:43 ablegreen nah
18:43 GargantuaSauce (and openscad is the best cad, i will not hear otherwise)
18:43 ablegreen they are fine
18:43 GuShH So here's the thing, it's available to you at no cost and yet you don't have it
18:44 GuShH I think you are all a bunch of trustfund fuckwits, pardon my passion.
18:44 GuShH Don't bother studying, you'll get your diploma anyway -- It's been paid for.
18:44 ShH walks
18:44 GargantuaSauce bitter bitter
18:45 ablegreen my educational license of solidworks expired
18:46 GuShH How so? you are still studying
18:46 m_itx stabs GargantuaSauce for bringing up open
18:46 GuShH GargantuaSauce: I'm not... I just don't like the bullshit.
18:47 ablegreen it's bs
18:47 GuShH And if you ever see me lie or bs someone, I will expect you to readily kick my ass.
18:47 GargantuaSauce i will keep that in mind
18:47 GuShH But don't kick too hard, I might enjoy it.
18:48 GargantuaSauce and whats wrong with openscad
18:49 Tom_itx it's nothing but triangles
18:49 GuShH I tried FreeCAD it was complete unstable trash
18:49 Tom_itx i don't like it
18:49 GargantuaSauce lol
18:49 ablegreen if you use it for personal use and not commercial, just go on piratebay and dl it
18:49 GargantuaSauce the triangles only happen at the very end!
18:49 Tom_itx i'm used to using 'real' cad packages
18:50 Tom_itx and i don't like 'writing' a cad drawing
18:50 Tom_itx i'd love to learn solidworks better but really have no reason to
18:50 ablegreen solidworks and the like generate the drawings for you after you model the part
18:50 ablegreen so you don't have to "write" the drawing
18:51 Tom_itx yeah that's cheating
18:51 ablegreen lol
18:51 Tom_itx http://tom-itx.dyndns.org:81/~webpage/kat/Bellhousing7.jpg
18:51 Tom_itx i've used it
18:51 ShH hands Tom_itx a knife to settle the s
18:51 GuShH that's a blast from the past!
18:52 ablegreen bro, u still using windows ME?
18:52 Tom_itx xp
18:52 Tom_itx and btw it works just fine
18:52 ablegreen that's hipster :P
18:52 GuShH bro bro bro
18:53 GuShH braaaah
18:53 Tom_itx who sais i gotta be on the OS train every year?
18:53 GuShH BRAAAAAAAH
18:53 ShH ch
18:53 GuShH I'm "still" on win 7
18:53 Tom_itx i got win7
18:53 GuShH that's the license I have...
18:53 Tom_itx it's still in a box
18:53 GargantuaSauce windows scrubs
18:53 GuShH "pro" not the "ultimate"
18:53 GuShH GargantuaSauce: go play with your penguins
18:53 Tom_itx i also use linux GargantuaSauce
18:54 Tom_itx debian and ubuntu
18:54 GuShH I have linux in some box...
18:54 GargantuaSauce babby's first distros?
18:54 GuShH doesn't mean I "use" it
18:54 Tom_itx and dos 2.1
18:54 GuShH ran smoothwall for a while
18:54 GuShH but I took it all down, too wasteful in the energy deparment.
18:54 ablegreen nice one of my groupmates talked to the TA and he gave us a spare HEDS encoder
18:55 GuShH but now you need the shield for it
18:55 GuShH to the sparkfun!
18:55 Tom_itx and a shaft to put it on
18:55 GuShH nananana mom's credit card!
18:55 Tom_itx ablegreen, you would have been better off with the one from digikey
18:56 ablegreen tom_idx: you said last night the HEDS ones are good
18:56 Tom_itx the arduino would keep up with it better than a bazillion count HEDS encoder
18:56 Tom_itx the _are_ good
18:56 Tom_itx they*
18:56 Tom_itx question is... do you have the HP for it?
18:57 Tom_itx want a hint?
18:57 Tom_itx if you use it and it's an older one chances are you will need pullups on the outputs
18:57 Tom_itx they are likely open collector
18:58 ablegreen what's the CPR of HEDS-9140?
18:58 GuShH get the datasheet
18:58 ablegreen fuck it's 2000
18:58 ablegreen not sure if that's too high
19:01 Tom_itx hehe
19:01 ablegreen is it?
19:01 Tom_itx i'm not gonna do your homework
19:01 Tom_itx you can however use one channel
19:01 Tom_itx since you don't need reverse
19:02 Tom_itx use int0 for that
19:02 ablegreen okay
19:02 ablegreen i have to go pick it up from my groupmate
19:02 ablegreen bbl
19:02 Tom_itx you can select rising, falling or both edges with that interrupt
19:02 GargantuaSauce cant you use an external clock for one of the timers
19:04 Tom_itx depends on the avr you pick
19:05 GargantuaSauce the one i'm particularly familiar with is the atmega8, would they really have removed that for the 328 or whatever the uno uses
19:06 Tom_itx i haven't looked
19:06 GargantuaSauce i don't think i want to know anyway, come to think of it
19:06 Tom_itx i've got several 168 328's
19:06 Tom_itx GargantuaSauce you do
19:07 GargantuaSauce no because i'll probably get angry if i learn that they did remove that
19:07 GargantuaSauce because it's already ridiculous enough that people still use the damn things
19:07 Tom_itx it's not an option on all 8 bit avrs
19:07 Tom_itx some for sure
19:07 GargantuaSauce attiny i could understand
19:07 Tom_itx i think you can use it on the 48 88 168 328
19:08 Tom_itx as they are drop in replacements for the 8
19:27 GuShH wtf http://www.youtube.com/watch?v=qIsHkolHj_U arduino crowd goes wild...
19:30 GargantuaSauce i keep wanting to make a rotary POV display
19:30 GuShH to display what?
19:30 GargantuaSauce but i also don't want to embed random parts in my wall
19:30 GargantuaSauce rude words and crudely drawn dicks, of course
19:30 GuShH I wanted to make a hdd clock
19:30 GuShH but they're not very energy efficient ...
19:31 GuShH you should head to siggraph and show them your crude dick display
19:31 GargantuaSauce in any case what i should do first is work on my damn laser display
19:31 GuShH "welcome kickstarter, I'm a hipster and I'm addicted to sausage, please send me your moneis"
19:32 GuShH GargantuaSauce: oh, display the crude phallus on clouds?
19:32 GargantuaSauce of course
19:33 GuShH rgb?
19:33 GargantuaSauce just green for now, rgb lasers are fucking expensive
19:33 GuShH can't use one of each?
19:34 GargantuaSauce by rgb laser i mean one of each + beam combiners
19:35 GargantuaSauce and 8 colours is boring and analog modulation makes them even more expensive
19:35 GuShH bah
19:35 GargantuaSauce https://www.youtube.com/watch?v=OELxDGtESMI
19:35 GargantuaSauce got that far and got lazy
19:37 GuShH neat
19:40 GuShH theBear: where's RifRaf?
19:40 GargantuaSauce he quit this channel for whatever reason
19:40 GargantuaSauce still shows up in #reprap
19:40 GuShH huh
19:40 Tom_itx that's just what he does
19:40 GuShH bah he's not in at the moment
19:41 GuShH why do people sell the reprap hubbed bolts for a few bucks, at all?, just to help others out?
19:41 GuShH there's hardly any profit from selling 3-4 bolts at a few bucks a pop
19:41 GuShH I did find they are very helpful, the sellers that is (they're reprap users)
19:42 GargantuaSauce yeah a lot of the for-reprappers by-reprappers shops have very very small profit margins
19:42 GargantuaSauce which rules
19:42 GuShH the bolts are like 4 or 5 dollars tops
19:42 GuShH of course the bolt costs cents, but that's very cheap given the machining step
19:43 GargantuaSauce yeah considering they're not mass produced
19:43 GuShH even if they just used a drill and a couple bearings on a vise
19:43 GuShH the one I asked about was actually turned on a lathe with a tap
19:43 GuShH guy must be doing it for he heck of it
19:43 GargantuaSauce apparently it's hobbed NUTS that are all the rage now though
19:43 GargantuaSauce bolts are so last decade
19:43 GuShH lawl, let's see
19:44 GuShH can't find much
19:44 GuShH http://garyhodgson.com/reprap/2011/06/hobbing-nuts-and-bolts/
19:44 GargantuaSauce yeah there are fewer extruder designs that use them
19:44 GuShH why an hexagonal shape?
19:44 GuShH and what's the benefit
19:44 GargantuaSauce i havent seen ones like that
19:45 GuShH at least you can make a reprap almost anywhere
19:45 GuShH even I can source the parts within a day
19:45 Tom_itx https://www.youtube.com/watch?v=hyRBbGb2UDA
19:45 GargantuaSauce that's sorta the point
19:45 GuShH (I just don't see it as a good investment, I'd rather build a cnc bed)
19:45 Tom_itx that's the thing about youtube
19:45 Tom_itx you click on one and never know where you'll end up
19:46 GargantuaSauce and yeah reprapping? huge timesink
19:46 GargantuaSauce i think i'd rather know someone that has one than have one myself
19:46 GargantuaSauce ....should probably get that up and running again
19:46 GuShH lol
19:47 GuShH well that's what I hear, it needs a babysitter to work
19:47 GargantuaSauce basically
19:47 GuShH I like reliability
19:47 GargantuaSauce well i imagine the newer solid-frame designs are much less finnicky
19:47 GargantuaSauce my mendel stays in alignment for about 2-3 prints
19:48 GargantuaSauce if its not one thing it's something else..
19:48 GuShH is it due to flexing?
19:48 GargantuaSauce that is a factor for sure
19:48 GuShH should probably up every nut and bolt size by one or two and loctite the heck out of everything if that's the case
19:49 GargantuaSauce yeah i've been considering that
19:49 GuShH -_-
19:49 GargantuaSauce would have to get it PERFECT first though
19:49 GuShH I love loctite, all of their products.
19:49 GargantuaSauce and then the act of locktiting it would screw it up!
19:49 GuShH the blue one is perfect for assemblies like this
19:49 Tom_itx red rules
19:49 GuShH well
19:50 GuShH depends for what.
19:50 GuShH there's a green one that's in between the two, I think
19:50 GuShH Tom_itx: is there a solvent or product to remove the old loctite? or do you have to use a tap / die ?
19:51 GuShH once the assembly is off, the residues it leaves that is
19:51 Tom_itx i dunno
19:51 GuShH :(
19:51 Tom_itx i'm sure they probably have something
19:51 GargantuaSauce isn't it just cyanoacrylate?
19:51 GargantuaSauce in which case acetone
19:51 GuShH pretty much
19:52 GuShH except when I live my cyano open, it dries up... when I leave the loctite open, nothing happens ... it requires no oxygen to set / dry
19:53 GuShH cyano absorbs or uses the ambient moisture to dry?
19:53 GuShH I've mixed it with marble dust to fix dings and help it set with water
19:53 GargantuaSauce oh i guess threadlocking stuff is methacrylate
19:54 GuShH loctite just doesn't dry up if you leave it on the open, it's an anaerobic
19:54 GargantuaSauce yeah
19:54 GargantuaSauce same solvent works though
19:54 GargantuaSauce or chlorocarbons
19:55 GargantuaSauce or ethyl acetate
19:56 GargantuaSauce also apparently the green stuff is actually penetrating
19:56 GargantuaSauce but has less strength than blue
19:56 GuShH hmm love this stanley wire stripper, too bad the crimping portion is just a gimmick, as is the cutter
19:57 GuShH GargantuaSauce: there are a couple green ones
19:57 GuShH and a bunch of white ones!
19:57 GuShH luckly, no blacks.
19:57 ShH
19:57 GuShH there's a thread sealer (white) that takes about 10.000PSI
19:57 GuShH I had the chart somewhere...
19:58 GuShH rather expensive stuff though
20:01 GuShH why do they show a "per kilogram" price? http://www.amazon.co.uk/Stanley-FMHT0-96230-FatMax-Stripping-Plier/dp/B00CD24EAK
20:02 GargantuaSauce hah
20:03 GargantuaSauce you don't buy tools by weight? go to a hardware store here and they have em in big bins
20:03 GuShH heeey mine is faulty, the red and blue markings are missing
20:03 GargantuaSauce with bags and scales nearby
20:03 GuShH heh
20:03 GargantuaSauce just like buying peanuts at the grocery store!
20:03 GuShH you do actually buy nails by weight here
20:04 GuShH and wire
20:04 GuShH but that's about it
20:04 GuShH oh and whipper snipper line is also sold by kilogram
20:04 Tom_itx years ago hdw stores had nails in open bins like a fruit stand
20:04 Tom_itx you'd grab a sack and just weigh out what you wanted
20:04 GuShH actually I've been to camping / fishing stores, they do that with hooks
20:05 GuShH and some hardware stores around here have surplus grab bags of nuts and bolts, also by kilogram or price per bag
20:05 GuShH never bought any, while cheap you often get 1-2 of each
20:05 GuShH Tom_itx: it should still be like that for the nails...
20:06 GuShH why change it
20:06 GuShH I don't need a fancy box for the nails, a paper bag always worked
20:06 Tom_itx they prebox em now
20:06 GuShH costs more
20:07 Tom_itx of course
20:07 GuShH haha they still make these! http://www.amazon.co.uk/Sky-Tronic-Universal-Battery-Tester/dp/B000L9C27O/ref=lp_1938841031_1_19?s=diy&ie=UTF8&qid=1384998670&sr=1-19
20:08 GuShH fancier version http://www.amazon.co.uk/niceEshop-BT-168D-Digital-Handheld-Battery/dp/B00DVH7CRS/ref=pd_sim_diy_5
20:20 rue_house no picture
20:21 robotustra what russian loggers do here?
20:28 robotustra billmaina is using ipv6
20:31 GuShH robotustra: I'm starting a toilet-graffiti photo collection
20:31 GuShH so far they all talk about pot
20:45 Tom_itx 10k or 100k?
21:15 GargantuaSauce some dank logarithmic shit
21:16 MrCurious http://i.imgur.com/MISSx3i.png too true
21:17 GargantuaSauce i assume that is some trendy one hit wonder from a year ago
21:18 MrCurious totally!
21:34 ablegreen tom_idx: do you know how to take out the rotary wheel from an HEDS encoder that looks like this? http://media.digikey.com/Photos/Avago%20Tech%20Photos/HEDS-5540%23C06.jpg
21:35 rue_house why the hell would you take it out!?
21:36 ablegreen long story...basically the sensor on it is broken and we have a replacement sensor
21:36 ablegreen we can't take the sensor out without taking the wheel out first
21:37 rue_house they prolly come out togethor
21:37 rue_house and the sensor is prollly glued in
21:37 GargantuaSauce jesus christ
21:37 Tom_itx yes
21:37 GargantuaSauce put a photoresistor on one side of the wheel and an led on the other
21:37 Tom_itx you first turn the screw cover and remove it
21:38 ablegreen it won't budge
21:38 ablegreen you're talking about the flat head screw thing right?
21:38 Tom_itx then you get a tiny tiny allen wrench and unscrew the setscrew to the encoder wheel
21:38 Tom_itx yes, it will turn like a half turn
21:38 Tom_itx adn i believe the cover will also snap off
21:38 Tom_itx it's been a while since i took one apart
21:39 ablegreen how much force to turn the screw?
21:39 Tom_itx the wrench is a .035" allen wrench
21:39 ablegreen we're afraid of breaking it
21:39 Tom_itx don't break it
21:39 ablegreen is the wrench necessary to pull everything out of the case?
21:40 Tom_itx there is a tiny hole in the side of the encoder somewhere to insert the allen wrench
21:40 ablegreen i know
21:40 ablegreen we don't have a wrench loo
21:40 ablegreen lol*
21:40 Tom_itx yes it allows the wheel to come loose
21:40 Tom_itx you'd better find one
21:40 ablegreen shit
21:40 Tom_itx i just measured mine
21:40 Tom_itx it's .035"
21:41 Tom_itx if it's a different brand or style it may be a different size
21:41 Tom_itx i doubt it though
21:41 ablegreen how many set screws are there total?
21:41 ablegreen i feel like the set screw is only for securing the shaft, not the wheel to the casing
21:41 Tom_itx the encoder is secured to the shaft with the set screw
21:42 Tom_itx i can't get to mine or i'd take one apart
21:43 ablegreen there's no shaft
21:43 Tom_itx it's already been removed then
21:44 ablegreen so we just need to unscrew the flathead thing
21:44 ablegreen we'll try
21:44 Tom_itx i'm trying to remember
21:44 Tom_itx it's only about half a turn
21:44 Tom_itx or so
21:45 Tom_itx i can't remember if the halves snap together or not
21:47 Tom_itx oh, maybe turning the screw gains access to the hole in the side
21:47 Tom_itx i can't remember now
21:47 ablegreen it's okay
21:47 ablegreen thanks
21:47 Tom_itx it's not difficult to take apart but don't bend the encoder wheel
21:48 Tom_itx and part of that is making sure it's not attached to a shaft when you remove the cover
21:48 Tom_itx since the encoder straddles the wheel on both sides
21:50 ablegreen we got it
21:50 Tom_itx the wheel is quite fragile
21:50 ablegreen okay we will be careful
21:51 Tom_itx when you mount it, make sure it's centered in the sensor
21:51 ablegreen the datasheet mentioned something about alignment pins?
21:51 ablegreen do we need special tools for that
21:51 Tom_itx no
21:51 Tom_itx i didn't have any
21:52 Tom_itx just the allen wrench
21:52 ablegreen ok
21:53 ablegreen thanks man
21:53 Tom_itx do you have the data sheet for them?
21:55 ablegreen tom_idx: how do you center the wheel with the sensor?
21:55 Tom_itx :)
21:57 Tom_itx http://tom-itx.dyndns.org:81/~webpage/pdf/MC68332/hedl550x.pdf
21:57 Tom_itx http://tom-itx.dyndns.org:81/~webpage/pdf/MC68332/heds9000.pdf
21:57 Tom_itx there's both the data sheets i have
21:59 ablegreen thanks!
21:59 ablegreen the datasheet didn't really tell us anything but our conclusion is that the housing will align it
21:59 Tom_itx to a degree
21:59 Tom_itx make sure it's not rubbing on the sensor
22:04 ablegreen okay
22:05 ablegreen okay we're getting ready to program it
22:05 ablegreen hopefully one of the existing libraries work without hassle
22:13 Tom_itx you should then go back and write the whole application in c
22:14 GargantuaSauce speaking of which i just made my radio bridge much much less stupid and gross
22:14 GargantuaSauce https://bitbucket.org/Ultrasauce/robots/src/c2373489933f83b79ef6009c68896dbc94fe0557/avr/radiobridge/?at=master
22:14 GargantuaSauce its like...half as much code as the previous implementation
22:14 GargantuaSauce and actually manipulates the radio properly!
23:26 MrCurious have calipur and hole punchc, will scribe :)
23:26 MrCurious was totally worth the blood sacrifice in the garage
23:26 MrCurious when i snapped a bolt off in some aluminum
23:30 ablegreen tom_idx: my partner and i decided not to start programming yet until we get a ribbon cable to connect it to the arduino.
23:30 ablegreen also, we counted the number of marks on the wheel and the wheel is only 100 CPR
23:31 ablegreen so i think we're good
23:31 MrCurious pictures?
23:32 ablegreen i don't have a camera. and i have a flip phone :P
23:33 MrCurious its kind of like a camera