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Mailing List Archive

Subject Sender Date
Re: [gctechspace] Laser beam on a stand - wow thats actually more responsive than i thought, well done! On Fri, Jun 8, 2012 at 12:20 AM, David B < [address removed] > wrote: Grant S. Jun 8, 2012 12:32 AM
Re: [gctechspace] Laser beam on a stand - Thanks guys! Looks like I'll just be wacking a green laser pointer onto a camera tripod. Might be something a case could be printed for. Anywho here's the progress on my laser beam timer: David B Jun 8, 2012 12:20 AM
Radio telescope - Hi All, Lots of talk about astronomy this week, and every here is always looking or interesting projects. How about a radio telescope array? http://radiojove.gsfc.nasa.gov­/telescope/ We could have the GC TechSpace array perhaps ;-) Cheers, Darren M. Jun 7, 2012 11:07 PM
Re: [gctechspace] Speed benchmarks for ARM machines... - And now with OLPC... On Thu,[masked] at 07:22 -0400, Ben Martin wrote: > I have Tegra2 data coming along too, but I suspect the compiler for the > NDK or whatever is used on the little green man changes things quite a > bit in the numbers departm Ben M. Jun 7, 2012 9:45 PM
Speed benchmarks for ARM machines... - I have Tegra2 data coming along too, but I suspect the compiler for the NDK or whatever is used on the little green man changes things quite a bit in the numbers department... Anyways, the start is here: http://monkeyiq.blogspot.com.a­u/2012/06/arms- Ben M. Jun 7, 2012 9:22 PM
Kitten Cables - Kitten cables have arrived. Got 4. Will leave them at the space next time I'm up.  David B Jun 7, 2012 2:27 PM
Re: [gctechspace] Laser beam on a stand - Bunnings Ing. Walter H. Jun 6, 2012 4:00 PM
Re: [gctechspace] Laser beam on a stand - Yes I've definately seen these, they are expensive, and AFAIK the laser (or a prism) spins to create a laser plane rather than just a line. They usually have a high quality tripod and fine controls for levelling - so probably overkill for what you' Gavin M. Jun 6, 2012 1:04 PM
Laser beam on a stand - I got the go ahead to create a basic laser pointer timer to be used in a small car rally taking place in August.  Has anybody seen a laser pointer mounted on a stand at Bunnings or similar?  maybe something used for construction/sit David B Jun 6, 2012 12:24 PM
Not content with hanging out at AOL... - Steve D. Jun 5, 2012 6:10 PM
Re: [gctechspace] Gotta love china... - LOL Ing. Walter H. Jun 4, 2012 7:38 PM
Re: [gctechspace] Gotta love china... - well, maths (and thermodynamics) was never my strong point, but I plan to wire my sockets in series instead of parallel, so the savings will add! --- Vivian C. Jun 4, 2012 1:11 PM
Re: [gctechspace] Gotta love china... - I'm sure that works! Ing. Walter H. Jun 4, 2012 12:28 PM
Re: [gctechspace] Gotta love china... - Now, now Ing. Walter H. Jun 4, 2012 11:28 AM
Re: [gctechspace] Gotta love china... - Haha viv that made me burst out laughing On Mon, Jun 4, 2012 at 9:07 AM, Vivian Crompton < [address removed] > wrote: Lucas B. Jun 4, 2012 9:26 AM
Re: [gctechspace] Gotta love china... - Fantastic! if I get one of those multi socket cigarette lighter adapters, and plug FOUR of these in, with the up to 30% saving on fue l they make, pretty Vivian C. Jun 4, 2012 9:07 AM
Re: [gctechspace] Gotta love china... - It's probably just an LED in there..... funny what people put up. Did I tell you about the Arduino chips that xinchejian bought.... apparently they were chip cases with little lumps of coal in them! Steve D. Jun 4, 2012 7:00 AM
Cool ways to work on your Raspberry Pi - Hanging out to get my hands on one, and set it up like this:  http://goo.gl/jkhWn David T. Jun 4, 2012 12:36 AM
Gotta love china... - http://www.dragonext.com/mini-­socket-car-vehicle-fu Lucas B. Jun 3, 2012 11:29 PM
Hdmi cable - If anyone has a spare hdmi cable I can borrow for years day.  Please bring your BarCamp. Its for raspberry pi.  Only have hdmi input for big tv and my cable I hdmi/dvi Thanks Steve Steve D. Jun 3, 2012 8:49 AM
Re: [gctechspace] mirrors - Preview not available Steve D. Jun 2, 2012 8:58 PM
Re: [gctechspace] mirrors - Preview not available David B Jun 2, 2012 7:49 PM
RE: [gctechspace] mirrors - Steve D. Jun 2, 2012 6:08 PM
mirrors - anyone know where to get a small packet of mirrors for tomorrow? just small mirrors to bounce a laser beam around a few times.  I think I just need two to start with. David B Jun 2, 2012 6:03 PM
Re: Re: [gctechspace] arduino/raspberrypi + RF - On Sat, Jun 2, 2012 at 11:56 AM, Lawrence Dixon < [address removed] > wrote: David B Jun 2, 2012 1:09 PM
Re: Re: [gctechspace] arduino/raspberrypi + RF - Unless you can assure LOS (Line of Sight) between the two stations you will need to go for a lower frequency than 2.4GHz. 433MHz will work for this but the transmission power is quite restricted, and directional antennae for it are Lawrence D. Jun 2, 2012 11:56 AM
Re: [gctechspace] At the space today & Adafruit kits. - If theres anything left I'd be keen! :-) I need to polish up on soldering On Sat, Jun 2, 2012 at 10:52 AM, David B < [address removed] > Lucas B. Jun 2, 2012 11:25 AM
Re: [gctechspace] At the space today & Adafruit kits. - On my way up there now to grab some stuff. I'll only be there until midday so might see you up there! On Sat, Jun 2, 2012 at 10:23 AM, Steve Dalton < David B Jun 2, 2012 10:52 AM
At the space today & Adafruit kits. - Some of us will be at the space today preparing for Barcamp tomorrow. I have a couple of adafruit kits (minipov [ http://www.adafruit.com/produc­ts/20 ] and brain machine[ Steve D. Jun 2, 2012 10:23 AM
Re: [gctechspace] arduino/raspberrypi + RF - Yagi's are easy to make. There's a few yagi calculators online. If you need more help let me know - I'm super busy right now, but I will have some time later next week. On Fri, Jun 1, 2012 at 11:08 PM, David Gavin M. Jun 2, 2012 10:21 AM
Re: [gctechspace] arduino/raspberrypi + RF - Seems quite a few recommendations on various forums to go a lower frequency than the 900MHz from the Xbee's - this gets a better distance through trees and other objects. Found these at 433MHz: David B Jun 1, 2012 11:08 PM
Re: [gctechspace] arduino/raspberrypi + RF - The xbee pros have some good metrics: http://www.sparkfun.com/produc­ts/9099 Though that is with line of sight. I've only looked at how to interface these to laptop and ardunios so far, I assume it would work over USB to the rasp. I'm interested in Ben M. Jun 1, 2012 6:10 PM
Re: [gctechspace] arduino/raspberrypi + RF - 2 Village Telco TPlink devices with bi-directional antennas should do the trick.... not sure if they have a way of fixing an antenna though. Alternative - put and few of them along the path and use the mesh to hop them along. Steve D. Jun 1, 2012 4:11 PM
arduino/raspberrypi + RF - Anyone know a way to get two arduinos/raspberry pi's communicating over a distance of 5km? There may not be mobile coverage where these units are placed. But there will be power. We only need to transmit a small amount of David B Jun 1, 2012 3:26 PM
Re: [gctechspace] Ownership? - 3 door filing cabinet - Yeah I can't find it in the space? On Wed, May 30, 2012 at 4:34 PM, Steve Dalton < [address removed] > wrote: Lucas B. May 30, 2012 5:26 PM
Re: [gctechspace] Ownership? - 3 door filing cabinet - One was yours and the other one came from landlord I think from next door.  I think the one that you bought we lost the key on - can you use that one? Does it need to have a key. Steve  Steve D. May 30, 2012 4:33 PM
Ownership? - 3 door filing cabinet - Hey Guys, There is a 3 door filing cabinet in the Tech Space that I want to convert into a open source based vending machine, who owns it? & is this okay? Regards, Lucas B. May 30, 2012 4:20 PM
Cheap-ish Dremel 4000 brand new - Steve D. May 30, 2012 1:08 PM
Door problem, Techspace closed this morning. - Today's Jelly is put back until 1pm, as we are having trouble with our door, and there might be no member able to get there with a key this morning. Sorry to anyone inconvenienced, for the late notice.   If any member wants to go to th David T. May 30, 2012 8:58 AM
RE: [gctechspace] Fwd: air cannon - I have a smoke machine and about 1.75 bottles of smoke fluid too - from the haloween party I held last year. Makes a hell of fog from one bottle. -- Vivian C. May 30, 2012 8:11 AM
RE: [gctechspace] Fwd: air cannon - Steve D. May 30, 2012 8:05 AM
Fwd: door opener - The door opener died further again tonight. Neither the RFID nor the phone app will trigger it. I had a direct remote key so we could still get in and out. However I am busy until about 11am Wednesday. Anyone wanting to get in before then will have to con David T. May 29, 2012 11:04 PM
Barcamp VIII poster - Its on this Sunday. Please email this to whoever you like on your online network, print it off and stick it up around the Coast over the next day or two. David T. May 29, 2012 10:52 PM
Re: [gctechspace] Fwd: air cannon - http://www.youtube.com/watch?f­eature=endscreen&NR=1&­v=-VL0M0jmu7k On Tue, May 29, 2012 at 10:24 PM, Steve Dalton David B May 29, 2012 10:51 PM
Re: [gctechspace] Fwd: air cannon - Awesome - we should SO do this at Barcamp on the weekend... just need a nice big cardboard box. Steve On Tue, May 29, 2012 at 10:16 PM, Lucas Brandt < Steve D. May 29, 2012 10:23 PM
Re: [gctechspace] Fwd: air cannon - I have a few old smoke machines and litres of fog fluid left. I'll leave them at the space tomorrow if wanted. On Tue, May 29, 2012 at 10:09 PM, Ing. Walter Hartmann < Lucas B. May 29, 2012 10:15 PM
Re: [gctechspace] Fwd: air cannon - For a tiny smoke machine: Ing. Walter H. May 29, 2012 10:09 PM
Fwd: air cannon - I know a few of you love weapons.... this is super simple and very cool. Anyone have a smoke machine? Could also be useful for the laser show me and Lucas were talking about the other day. Steve Steve D. May 29, 2012 8:25 PM
Re: [gctechspace] Fwd: 3D printer lovers: Win $40,000 for squirting plastic out of a nozzle - Hi, During Ing. Walter H. May 29, 2012 5:54 PM
Re: [gctechspace] Fwd: 3D printer lovers: Win $40,000 for squirting plastic out of a nozzle - Oh yeah I didn't think it would be simple, or it would have already been implemented :-)  I imagine a sort of paintball like mechanical hopper/feeder system, not just a simple funnel. Be interesting to see what they come up with, I'l Lucas B. May 29, 2012 4:34 PM
Re: [gctechspace] Fwd: 3D printer lovers: Win $40,000 for squirting plastic out of a nozzle - Have a look at the wiki - I'm pretty sure it's not quite as simple as that... hence the reason $40k is being offered. I'm sure someone (maybe it might even be you Lucas!) will come up with something, it's just not trivial that's all. Steve D. May 29, 2012 4:17 PM
HSBNE Excursion reminder - Just a reminder theres two seats available with me, we will be leaving at approx 5.15pm from Gold Coast Techspace for a 45minutes hangout at Hackerspace Brisbane. All are welcome to come, own transport or take a seat. -- Lucas B. May 29, 2012 4:15 PM
Re: [gctechspace] Fwd: 3D printer lovers: Win $40,000 for squirting plastic out of a nozzle - We should take a crack at it, I can probably make pla, and form it in a reasonably consistent granular form. Would then negate the need for rolls of exact diameter & extruding equipment. On Tue, Ma Lucas B. May 29, 2012 4:14 PM
Fwd: 3D printer lovers: Win $40,000 for squirting plastic out of a nozzle - Looks like the xinchejian guys have been talking about the same competition that we were talking about on Saturday. Steve ---------- Forwarded message ---------- From: Paul Steve D. May 29, 2012 4:08 PM
Re: [gctechspace] Laser beam timer for rally cars - Off the Ing. Walter H. May 29, 2012 2:30 PM
Re: [gctechspace] Laser beam timer for rally cars - http://www.ladyada.net/learn/s­ensors/cds.html On Tue, May 29, 2012 at 8:42 AM, David B < dtbak Gavin M. May 29, 2012 11:21 AM
Laser beam timer for rally cars - Hey guys, My dad needs a basic timer to start recording when one laser beam is cut, and stop recording when another beam is cut.  The counting timer and final results need to automatically upload to a website. David B May 29, 2012 8:42 AM
Sparkfun order - I'm making an order from Sparkfun in the US - probably some Attiny 85s and 2313s for the swarm robots. Does anyone have anything else they need? Steve -- Steve Dalton, President Go Steve D. May 27, 2012 8:29 PM
Re: [gctechspace] Sunday afternoon... - OK - that at last explains th Ing. Walter H. May 27, 2012 5:42 PM
RE: [gctechspace] Sunday afternoon... - It is probably the most recent of the three build series wh BW~Merlin May 27, 2012 5:27 PM
Re: [gctechspace] Sunday afternoon... - On Sun, May 27, 2012 at 4:59 PM, Ing. Walter Hartmann < [address removed] > wrote: Triffid H. May 27, 2012 5:24 PM
RE: [gctechspace] Sunday afternoon... - Version three of firefox is very old. Try updating to BW~Merlin May 27, 2012 5:09 PM
Re: [gctechspace] Sunday afternoon... - On Sun, May 27, 2012 at 5:00 PM, Ing. Walter Hartmann < [address removed] > wrote: David B May 27, 2012 5:05 PM
Re: [gctechspace] Sunday afternoon... - Hi David, Ing. Walter H. May 27, 2012 4:59 PM
Re: [gctechspace] Sunday afternoon... - works here. maybe try using a different web browser (firefox or google chrome) and make sure javascript is enabled. On Sun, May 27, 2012 at 3:56 PM, Ing. Walter Hartmann < David B May 27, 2012 4:07 PM
Re: [gctechspace] Sunday afternoon... - Hi, Ing. Walter H. May 27, 2012 3:55 PM
Re: [gctechspace] Sunday afternoon... - looks like someone is down there now: http://gctechspace.org/webcam/­ On Sun, May 27, 2012 at 1:44 PM, Vivian Crompton < David B May 27, 2012 2:21 PM
Re: [gctechspace] Sunday afternoon... - Just jump the gate and use your access pin to open the door, you can then use the back door, it opens from the inside. On Sun, May 27, 2012 at 1:51 PM, Kobra Incorporated < Lucas B. May 27, 2012 1:52 PM
Re: [gctechspace] Sunday afternoon... - Hey Viv I'm suprised David wasn't down, I was there this morning 8-10am. I will be heading back in about 30 minutes. On Sun, May 27, 2012 at 1:43 PM, Vivian Crompton Lucas B. May 27, 2012 1:51 PM
Sunday afternoon... - So anyone going down? I popped round at 12:00 today and the gate was locked... Vivian C. May 27, 2012 1:43 PM
RE: [gctechspace] possible Kickstarter project - Dam your write. BW~Merlin May 26, 2012 10:59 PM
RFID + OLPC + Raspberry Pi + Reprap = Great Saturday - Hey all, Another great BBQ lunch (Thanks David!)  Lots happened down at the space today, here's a quick blog post: David B May 26, 2012 10:26 PM
Dragon live vid - Historic geek stuff, watching it again live, this time at their own site:  http://www.spacex.com/webcast/­   David T. May 26, 2012 7:57 PM
Re: [gctechspace] possible Kickstarter project - Speaking of typo, Merlin, Throw not through :P On Sat, May 26, 2012 at 6:34 PM, Ing. Walter Hartmann < [address removed] > Lucas B. May 26, 2012 6:52 PM
Re: [gctechspace] possible Kickstarter project - Yep, Ing. Walter H. May 26, 2012 6:34 PM
Re: [gctechspace] possible Kickstarter project - Hi how about just rotating the camera bit (less energy required) while the balloon can rotate around on its axis as much as it likes.  I have no idea how they work but would gyroscopes have anything useful for this? Sue T May 26, 2012 10:52 AM
Re: [gctechspace] possible Kickstarter project - On Fri, May 25, 2012 at 10:49 PM, Sue T < [address removed] > wrote: David B May 26, 2012 10:31 AM
RE: [gctechspace] possible Kickstarter project - Ing you have a very dirty mind (think you mean popped [like BW~Merlin May 26, 2012 9:32 AM
Re: [gctechspace] possible Kickstarter project - I had been independantly thinking about a similar thing over the last few weeks - my motivation was to have a crowd sourced google-maps type thing, because the satellite images are always so out of date. I thought it would be possible to have 3 anc Gavin M. May 26, 2012 9:16 AM
Re: [gctechspace] Dragon is now docking - I got tired of waiting and went to sleep. I presume it's all on the site to go back and watch. Steve Steve Dalton, President Gold Coast TechSpace 3b/51 Johnston St, Southport, Q 4215 +61 [masked] Steve D. May 26, 2012 7:58 AM
Re: [gctechspace] possible Kickstarter project - A few bi Ing. Walter H. May 26, 2012 3:34 AM
Dragon is now docking - As i send this message the arm is extruding out to secure the dragon capsule! -- Regards, Lucas Br Lucas B. May 25, 2012 11:55 PM
RE: [gctechspace] possible Kickstarter project - That isn't a bad idea actually. Combine with with saf BW~Merlin May 25, 2012 11:01 PM
Re: [gctechspace] possible Kickstarter project - Hi first time I've looked at the wiki, but it looks like a good idea.  Another commercial possibility is construction sites - building companies like to have a live streaming footage of a building going up under construction - firstly, absent inves Sue T May 25, 2012 10:49 PM
Re: [gctechspace] possible Kickstarter project - How much money do you need.....? You could try putting it on ipledg. They are nothing like as big as kickstarter but might be ok for smaller stuff. They are local and might get behind it if it had cool value. I am thinking of putting a robotics Steve D. May 25, 2012 10:44 PM
Re: [gctechspace] spacex docking - Capture at 22:10 here, in daylight. Its gone into night right now. They need our IP cam up there ;-)  David T. May 25, 2012 10:09 PM
RE: [gctechspace] spacex docking - Steve D. May 25, 2012 9:54 PM
Re: [gctechspace] spacex docking - Way cool. Watching it now. Thanks for the heads-up. On Fri, May 25, 2012 at 9:20 PM, David B < [address removed] > wrote: David T. May 25, 2012 9:49 PM
Re: [gctechspace] possible Kickstarter project - My thoughts. Its still a cool idea. Suggested applications that I doubt would be practical: shark spotting and drownings, police chases?. Good applications? Your 'quicky deployment' of cameras at public even David T. May 25, 2012 9:47 PM
Re: [gctechspace] Happy Geek Pride Day - Happy birthday! On Fri, May 25, 2012 at 9:22 PM, David Tangye < [address removed] > wrote: Lucas B. May 25, 2012 9:23 PM
Re: [gctechspace] Happy Geek Pride Day - Happy Birthday Steve.  Happy Towel Day everyone. On Fri, May 25, 2012 at 11:25 AM, Steve Dalton < [address removed] > wrote: David T. May 25, 2012 9:22 PM
spacex docking - anyone who watched the dragon launch the other day, it's about to dock to the IIS http://www.nasa.gov/multimedia­/nasatv/index.html David B May 25, 2012 9:20 PM
Re: [gctechspace] possible Kickstarter project - Just signed up, it let me pick I'm from Australia, but you need to qualify for Amazon payments (US, 18+, SS number) to receive money. There are a few Australian projects listed though so it is possible:  David B May 25, 2012 1:15 PM
Re: [gctechspace] possible Kickstarter project - Yeh you need like SS number, bank account and postal address all belonging to same person. Haven't checked recently but don't think it has changed. On 25/05/2012, at 12:40 PM, David B < Steve May 25, 2012 12:53 PM
Re: [gctechspace] possible Kickstarter project - ah, this I did not know.  On Fri, May 25, 2012 at 12:32 PM, Steven Martin < [address removed] > wrote: David B May 25, 2012 12:40 PM
Re: [gctechspace] possible Kickstarter project - I have a U.S postal if its any help. On Fri, May 25, 2012 at 12:32 PM, Steven Martin < [address removed] > wrote: Lucas B. May 25, 2012 12:33 PM
Re: [gctechspace] possible Kickstarter project - If you do not have someone living in America who you trust to handle all the money it is pretty much impossible to get something on kickstarter. There are alternatives but don' Steve May 25, 2012 12:31 PM
possible Kickstarter project - Hey guys, So a while ago I put this crazy idea up on the wiki:  http://wiki.gctechspace.org/do­ku.php?id=weather_balloon_surv­eillance&a David B May 25, 2012 12:12 PM
Happy Geek Pride Day - Hi All Happy Geek Pride Day everyone! Today is a perfect day to: 1. Tell people all about Gold Coast Tech Space.... spread the word, point them at http://gctechspace.o Steve D. May 25, 2012 11:24 AM
Fwd: joule thief - revisited - Neat little idea that the xinchejian guys were doing... it's basically a device to suck the last little bits of charge from your old batteries before you chuck them. ---------- Forwarded message ---------- From: Steve D. May 25, 2012 11:11 AM

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