tag:blogger.com,1999:blog-3993498847203183398.post2639034831145910373..comments2024-03-29T11:00:39.953+00:00Comments on RevK<sup>®</sup>'s ramblings: ProgressRevKhttp://www.blogger.com/profile/12369263214193333422noreply@blogger.comBlogger15125tag:blogger.com,1999:blog-3993498847203183398.post-48261329323316312382011-05-23T16:42:01.851+01:002011-05-23T16:42:01.851+01:00Well, sorted correct stepper motor wiring, added s...Well, sorted correct stepper motor wiring, added some grease, adjusted the trim pots on the stepper controllers, sorted an even more powerful 24V supply, metled a tiny amount of PLA, and got stuck on the repsnapper s/w not playing ball...<br /><br />Very very very close to doing something now!RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-80421455281218017772011-05-23T10:05:51.626+01:002011-05-23T10:05:51.626+01:00Firmware loaded, and repsnapper controller app tal...Firmware loaded, and repsnapper controller app talking to it - woohoo.<br /><br />Feeder works, but Z, Y and Z do nothing.<br /><br />Hmmm.RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-71902004728302058082011-05-23T09:50:41.762+01:002011-05-23T09:50:41.762+01:00There are Linux LiveCDs that include the avr-gcc t...There are Linux LiveCDs that include the avr-gcc toolchain.<br />There used to be a Knoppix based one that was good but I've been unable to find if for Some Time.<br /><br />I downloaded this one the other day for a similar kind of emergency:<br /><br />http://www.das-labor.org/wiki/AVR-Live-CD/enAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-50909247666379186522011-05-22T14:12:26.149+01:002011-05-22T14:12:26.149+01:00OK, have power supply, and stopped the feeder step...OK, have power supply, and stopped the feeder stepper motor causing the controller to cook.<br /><br />Now all it needs is firmware - but that means an AVr compiler. This old linux box here does not have one and is refusing to play with installing one. Ubuntu machine at home, no problem, apt-get avr-gcc, done. But that is there.<br /><br />I can't take this thing home on my bike! So I may have to elicit some transport or find a more up to date machine here... Or wait until tomorrow and print in a mac.<br /><br />Only remaining mechanical job is setting Z axis xero point, but that will be easier with the s/w loaded.RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-5164057513107823482011-05-22T12:41:48.621+01:002011-05-22T12:41:48.621+01:00So you're almost at the point where you realis...So you're almost at the point where you realise you should have bought a 3D scanner as well?JJhttps://www.blogger.com/profile/02093279371114854810noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-90833763440172412342011-05-22T12:35:44.924+01:002011-05-22T12:35:44.924+01:00Just occurred to me - how about using an ATX PSU? ...Just occurred to me - how about using an ATX PSU? According to http://www.wikihow.com/Convert-a-Computer-ATX-Power-Supply-to-a-Lab-Power-Supply you can get up to 12A on the 12v line.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-23993259112312139942011-05-22T11:48:54.264+01:002011-05-22T11:48:54.264+01:00An idea - he has just snapped his prop shaft so he...An idea - he has just snapped his prop shaft so he won't be needing it :)<br /><br />I'll run the board up on a 2A current limiting bench supply first to confirm not shorted anywhere<br /><br />Instructions mention a fuse, which seems not to be present. So that is fun.<br /><br />I did get help on irc - they have even updated their wiki with the colours for the stepper motors!RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-12044693388142440832011-05-22T11:40:04.228+01:002011-05-22T11:40:04.228+01:00For a psu how about http://www.rapidonline.com/Ele...For a psu how about http://www.rapidonline.com/Electrical-Power/Power-Supplies/Desktop-PSUs/60W-to-65W-Desktop-switch-mode-power-supply-%282-pin-output%29/71063 or similar, I believe they do next-day delivery if you can wait until tuesdayAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-87967069477654767322011-05-22T11:26:04.860+01:002011-05-22T11:26:04.860+01:00Why not "borrow" the battery from one of...Why not "borrow" the battery from one of your "borrowers" cars? :D<br /><br />You could even return it flat and say nothing.The Driverhttps://www.blogger.com/profile/04561063207545406257noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-54336133519973776492011-05-22T11:25:07.749+01:002011-05-22T11:25:07.749+01:00I know... why not "borrow" the battery f...I know... why not "borrow" the battery from one of your "borrowers" cars? :DThe Driverhttps://www.blogger.com/profile/04561063207545406257noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-24768553796786144572011-05-22T10:02:05.310+01:002011-05-22T10:02:05.310+01:00Ok, kind of stuck now, rather annoying as this is ...Ok, kind of stuck now, rather annoying as this is very close to finished. I have a could of wires to solder on for the heater and sensor on the extruder, but that is about all I can now do.RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-26539679515668714792011-05-22T10:01:02.477+01:002011-05-22T10:01:02.477+01:00Not sure of near maplin - my wife drove to one in ...Not sure of near maplin - my wife drove to one in Slough that is now a takeaway or something and not a maplin, and Slough is not that near...RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-28646283669806493792011-05-22T09:59:35.107+01:002011-05-22T09:59:35.107+01:00So, decided to try loading the firmware anyway, wh...So, decided to try loading the firmware anyway, while waiting for some answers on the irc channel...<br /><br />http://wiki.shapercube.com/wagn/Firmware_2_0#Uploading%20the%20firmware<br /><br />It is blank - no instructions, WTF!!!RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-34186634661365879862011-05-22T09:52:36.064+01:002011-05-22T09:52:36.064+01:00Power supply - Maplin L25AY - or indeed a host of ...Power supply - Maplin L25AY - or indeed a host of others that they sell (I have one of their bench PSUs from the ark, still going strong) - there's probably a Maplin <i>quite</i> nearby and crucially open Sundays.The Driverhttps://www.blogger.com/profile/04561063207545406257noreply@blogger.comtag:blogger.com,1999:blog-3993498847203183398.post-72501549761975426942011-05-22T09:48:47.448+01:002011-05-22T09:48:47.448+01:00Well, good job I don't read instructions - the...Well, good job I don't read instructions - they are once again wrong, but makes for a neater job. The RAMPS PCB for the stepper motor controllers has extra headers saving having to faff with extra headers directly on the stepper motor board. So that is good.<br /><br />Now to wire the stepper motors. Hmm. Instead of an 8 way plug on then end, they just have 8 coloured wires. No problem, I have to make a cable anyway, but, err, the colours are not the same as the instructions so no way to know what goes where. The instructions just say how to wire up but not what the wires mean, so I cannot even expect to work it out if I find a spec for the stepper motors. Why Why Why!!!RevKhttps://www.blogger.com/profile/12369263214193333422noreply@blogger.com