#qi-hardware IRC log for Wednesday, 2014-01-22

whitequarkwow, EMS has really impressed me04:04
whitequarkfive business days fron NY to Moscow04:04
wpwrakhow is the CNC mill doing ? still blocked ?04:14
whitequarkit's the CNC mill. I'm getting it today04:15
wpwrakwheee ! party time !04:18
whitequarkyeah, just need to get a machine with LPT off craigslist04:19
wpwrakor make a USB dongle :)04:29
wpwrakthere could be quite a market for a USB-to-parallel gerber dongle04:29
whitequarkthere already exists one, we've found it04:36
whitequarkbut it is actually cheaper for me to buy a used PC complete with IO devices, not to mention faster04:36
wpwrakmake a competitor then :)04:38
whitequarkbut what I would make a prototype with? :D04:41
whitequarkalso, this actually may be a great idea to test it on something. a moderately complex board04:41
whitequarkneeds to be two-sided due to the LPT socket04:41
whitequarkhm, UV LED strip also arrived... but not power supply :(04:45
whitequarkor photoresist for that matter04:45
wpwrakif you don't mind having a few level shifters, pretty much any usb-capable mcu would do04:56
wpwrakdepends a bit on how much processing you want to have. i guess it could be relatively simple, just a handful of commands. lines, arcs, a few administrative commands, that's about it. you can always blink a LED if you receive something the firmware doesn't understand :)04:57
whitequarkjust make it understand gcode05:00
wpwrakwell, gcode has tons of obscure things. you probably don't care to support all of them.05:00
whitequarkhrm... on the other hand I wanted to redo its controller, since it's really dumb. you can't control spindle via lpt, for example05:00
whitequarkwell, may as well do both. or the best option will become clear after I play with it05:01
wpwrakwhile you're at it, add a little display so you can display diagnostics and the obiquitous X=xxx Y=yyy Z=zzz situation :)05:01
whitequark(gcode) just need to support what openscad and say inkscape emit05:02
whitequarkand kicad/eagle05:02
whitequarkthey use like three commands05:02
wpwrakconsidering how many mills needs their dedicated pc, this could be a rather sought-after product. i see $$$ kickstarter potential :)05:03
wpwrakyes, they use three ... out of something like 300 ;-)05:03
whitequarkwell05:04
whitequarkyou sure make sense here. and we couldn't really find where to buy an adapter when we needed it.05:04
whitequarkactually that sounds like an excellent idea.05:04
wpwrak:)05:07
wpwrakphase 1: seed planted. phase 2: wait until i find a way to get a mill through customs. phase 3: have some good use for the critter you'll make as well ;-)05:08
whitequarkoh, you want this mill as well?05:09
wpwrakwould be nice to have a more solid mill than the one i have05:10
whitequarkneat!05:11
whitequarkwe could share modifications, too05:11
whitequarkI want to try out so many things05:11
wpwraki can imagine ;-)05:11
whitequarkhadn't have a physical project to tickle my brain in a while :)05:12
whitequark*haven't05:13
whitequarkargh, english05:13
nicksydneynot a good night for me in terms of breadboarding.....tried out a 555 timer for my PCB on a breadboard thinking of creating a LED flasher but it didn't work..the LED just turn ON all the time no flashing...no matter what component i remove it keeps on lighting ON :(05:27
whitequarknicksydney: do yoy u have a scope?06:03
nicksydneywhitequark: that's the problem...still saving up for one :(06:04
nicksydneywhitequark: my trusted debugging tool now is my multimeter :)06:04
whitequarkmm yeah, can be a pain06:04
nicksydneyfeels like throwing it to a brick wall !06:05
nicksydney2.5 hours spent for a frinkin' 555 timer debugging06:05
wpwraksometimes that helps ;-)06:05
nicksydneyat least in software i use git and revert back and put debugging :)06:05
nicksydneyi think this is the reason why most software people don't go to hardware..it's hard to debug !06:07
larscalso the reason why most hardware people don't go to software, it's hard to debug ;)06:08
nicksydneylarsc: i guess it comes to mindset..in takes time to switch from one to the other06:24
nicksydneybeing a software person i can have a fast turnaround but hardware is different06:25
nicksydneyperhaps software people brain want to move quick and get quick result :)06:25
nicksydneywpwrak: my component stock is low at the moment so not going to throw anything at the brick wall :)06:36
CYB3R_whitequark: could you please tell which toolchain were you using to build software for ingenic mips?09:30
whitequarkCYB3R_: I think I built my own09:38
whitequark--target=mipsel-linux-gnu09:38
CYB3R_whitequark: did you apply ingenic patches?09:38
whitequarknope09:38
CYB3R_Okay, thank you.09:39
whitequarkCYB3R_: why are you asking me?09:39
CYB3R_I remember you hacking xz0032 board09:41
whitequarkthought so, heh09:45
whitequarkdo you have one?09:45
whitequarkI actually have three lying around, collecting dust. now that I'm no longer a broke student I don't have very much use for them09:45
CYB3R_Mine was collecting dust for a long time and now I just remembered about it09:54
whitequarkhow to detect a german: "Bikeparkinglot"20:07
larscBierparkinglot?20:50
DocScrutinizer05whitequark: hardly any exist, I think21:19
DocScrutinizer05what sort of "bike"?21:19
DocScrutinizer05motorbike is supposed to park like a car - officially21:20
DocScrutinizer05nevertheless usually motorbikes are parked on the pavement21:21
rohDocScrutinizer05: depends on which city. in berlin you are allowed to park on the sidewalk even. as long as you dont block it21:22
DocScrutinizer05yeah, sidewalk is the better word than pavement, I guess21:22
DocScrutinizer05then you got that sort of stuff: http://www.langer-georg.de/?lieferprogramm=Fahrradst%E4nder%20Sch%FCrmann&artikel=52&artikel_template=Querformat  21:23
DocScrutinizer05http://www.shop-005.de/FOLIENFREUND-p41h1s11-FAHRRADPARKPLATZ.htm   http://www.shop-005.de/FOLIENFREUND-p76h1s11-Motorrad-und-Fahrrad-Parkplatz.html21:24
DocScrutinizer05http://commons.wikimedia.org/wiki/File:Ludwigshafen_BASF_Fahrradparkplatz.jpg21:25
DocScrutinizer05but those are really rare21:25
DocScrutinizer05http://commons.wikimedia.org/wiki/File:Motorradparkplatz.JPG  http://www.ybrfreun.de/blog/x_fish/images/091128_03.jpg21:27
DocScrutinizer05seems this one is Japan: http://seidenpriester.files.wordpress.com/2011/08/igp6233.jpg21:28
DocScrutinizer05the usual way: http://p5.focus.de/img/fotos/origs272750/3289407426-w472-h354-o-q75-p5/Verkehr-Friedliches-Nebeneinander-Weil-Pkw-Parkplaetze-oft-knapp-sind-tolerieren-die-meisten-Ordnungsbehoerden-auf-dem-Gehweg-abgestellte-Motorraeder.jpg21:32
DocScrutinizer05http://p5.focus.de/img/fotos/origs272751/0439407635-w472-h354-o-q75-p5/Verkehr-Komplett-verhuellen-verboten-Bei-Maschinen-die-an-der-Strasse-geparkt-und-zugedeckt-werden-muss-das-Kennzeichen-sichtbar-bleiben.jpg21:33
DocScrutinizer05very good article: http://www.focus.de/auto/news/verkehr-ueberall-frei-parken-regeln-fuer-das-abstellen-von-motorraedern_aid_759488.html21:38
DocScrutinizer05whitequark: please define "detect" :-)21:44
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