Next group project?

[Steven Pickles]

Let's start throwing around ideas for the next group project...

Ideally it would be something that everyone could have a hand in.

Or at least something that everyone is excited about seeing completed.

We have a bit of cash we could throw at it.

A kit for something useful we could all use?

Or something awesome we could show off at events?

pix

[Fee Plumley]

you'd be more than welcome to pimp the bus :)

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Fee Plumley

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[kira...@gmail.com]

I'd love to do some bus related stuff

[Mark Jessop]

Anyone want to build a balloon payload? We've got the gas for a launch
sitting at Hackerspace...

Come up with something interesting and I'm sure it could be flown.

- Mark

[kira...@gmail.com]

What sort of things go up?

On 11 April 2013 15:44, Mark Jessop <lennieth...@gmail.com> wrote:

Anyone want to build a balloon payload? We've got the gas for a launch sitting at Hackerspace...

Come up with something interesting and I'm sure it could be flown.

- Mark

On 11/04/13 2:34 PM, Steven Pickles wrote:

Let's start throwing around ideas for the next group project...

Ideally it would be something that everyone could have a hand in.

Or at least something that everyone is excited about seeing completed.

We have a bit of cash we could throw at it.

A kit for something useful we could all use?

Or something awesome we could show off at events?

pix
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[Fee Plumley]

careful what you wish for :)

timing-wise... i'm off on Nomadic Fab Lab and then have a long trip to two festivals (qld and sydney) but should be back in early august and mostly then here until december (except a 2/3 week trip end sept).

i'm planning a 'bus-warming' sometime 29th April - 12th May so you could come see what we've done so far and what else is planned to get an idea of what you might want to do. there's no deadline, she's going to be a constant work-in-progress. i have just been given an ArtsSA grant to do things around the city between august-december so if it happens around then i could have some funds to throw at it too.

i would LOVE her to be Hackerspace Adelaide pimped, and would shout about you even more loudly than I already do!

think things inside and out - projections from her, lights underneath her, things based on her (little red robotic buses??)... you name it, we can go for it!

i'm also happy to just talk ideas through outside of the HA connection if individuals wanna play.

ta!

[Mark Jessop]

As long as it's under 1kg or so, and doesn't have bits of it falling off during flight, anything really.



- Mark

On 11/04/13 3:46 PM, kira...@gmail.com wrote:

What sort of things go up?

On 11 April 2013 15:44, Mark Jessop <lennieth...@gmail.com> wrote:

Anyone want to build a balloon payload? We've got the gas for a launch sitting at Hackerspace...

Come up with something interesting and I'm sure it could be flown.

- Mark

On 11/04/13 2:34 PM, Steven Pickles wrote:

Let's start throwing around ideas for the next group project...

Ideally it would be something that everyone could have a hand in.

Or at least something that everyone is excited about seeing completed.

We have a bit of cash we could throw at it.

A kit for something useful we could all use?

Or something awesome we could show off at events?

pix
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[Andrew Helgeson]

could you take a small glider along?

at least part of the way? I'm still trying to find 3.6V servo's.

With a 1kg weight budget I could put something super stable together that might be able to return to the launch point

Andrew

[Mark Jessop]

I've been asked about this many times.

We can't fly a UAV glider such as that above 300ft, else we break model aircraft legislation. Even if it wasn't UAV, and was controlled by a human, it's still above 300ft and illegal to launch. Also there's something about the aircraft having to be in visual range of the pilot, and while it might technically be in Line-of-sight for most of the flight, I don't think it'd be liked by CASA.

In short, no. Not here anyway. Maybe at Woomera.

- Mark

[Andrew Helgeson]

The 350 gram glider I dropped from a hot air balloon worked pretty well, except it unerringly missed a whole bunch of trees to "land" in my neighbors damn dam.

Release was at 1000 metres, total flight time of 12 minutes.

Andrew

[Andrew Helgeson]

The other idea I had was like the Roton launch vehicle
http://en.wikipedia.org/wiki/Rotary_Rocket

Tall, maybe conical, with a 4 bladed rotor, using auto-rotation to return to ground.

What gets me here is an unguided balloon is ok, but an autonomous plane isn't.

When you consider a plane or gyrocopter could fly slower than a falling payload I just don't get it

Andrew

On Thu, Apr 11, 2013 at 4:41 PM, cardre <ca...@active-ideas.com.au> wrote:

Would this also include anything that assisted/guided the original payload back to earth?

ie. the foam boxes you normally put the radio gear/camera in to keep them warm. If this had 2 vertical stabilisers sticking out either side, sort of like ears, but each controlled by its own servo. Would this be considered a glider and hence unacceptable?

I realise aerodynamically a box is less than ideal, but something that's helping 'steer' the box back to a general location that's floating by the same parachute may assist with recovery. Would this also be frowned upon?

--

On Thursday, April 11, 2013 4:12:04 PM UTC+9:30, Mark Jessop wrote:

I've been asked about this many times.

We can't fly a UAV glider such as that above 300ft, else we break model aircraft legislation. Even if it wasn't UAV, and was controlled by a human, it's still above 300ft and illegal to launch. Also there's something about the aircraft having to be in visual range of the pilot, and while it might technically be in Line-of-sight for most of the flight, I don't think it'd be liked by CASA.

In short, no. Not here anyway. Maybe at Woomera.

- Mark

On 11/04/13 4:09 PM, Andrew Helgeson wrote:

could you take a small glider along?

at least part of the way? I'm still trying to find 3.6V servo's.

With a 1kg weight budget I could put something super stable together that might be able to return to the launch point

--

[Robert Hart]

Just off the top of my head

1. a ride on hexapod
2. a robot sea urchin
3. 32 pixel flame thrower
   
4. A human size Pin Point Impression Wall that mirrors another wall over the internet
5. 32 pixel tesla coil
   

Robert

[Andrew Helgeson]

how about a tesla coil guitar amp?

[Steve Roehrs]

I always wanted to make one of those 'falling water' dot matrix displays like they have in Japan. Just a bunch of high speed solenoid valves and some plumbing. Looks awesome!

The other idea, maybe not physically possible but why let that get in the way, is like a banner display that uses say 7 nearly parallel jets of water that go in an arc, and pulse them on and off to form characters that fly through the air. I dont know if the drops would stay formed long enough to be readable though.

Might need to make that an outdoor project, though a mini tabletop one could fit inside an aquarium to keep the water off the floor and away from the electronics.

Steve

[Fee Plumley]

they have one at MONA in Tas. It's purdy.

[Peter Wintulich]

Hello,

Its impossible to guess what a group would be most interested in. Here
is some that I have on the to do list that may work as group projects.
My sheds are far too full of materials that could contribute to these.

Ride in 3D flight simulator
Design based on a soccer ball pattern scaled up so the player sits
inside. Metal or wood sub frame, pressed metal panels forming the sphere.
The screen is a plastic vacuum formed mirror reflecting the image
of a smaller monitor.
The ball is slung in a frame that is driven by 3 servo motors. This
allows rotation in any direction.
By designing the ball with a good center of gravity the motors
don't have to be too large.

Mid sized desk top or trolley mounted CNC engraver mill with tool changer.

Mobile robot with robotic arm and a vision system.

Delta based 3D fabber. (Home brewed)

Ride on sized utility tracked robot.
I have a pair of large belts about 100 mm wide and a loop length
about 1.4 meter, they make good track.
There are numerous wheel chair motors that may be able to drive the
track.
I have some designs for the pulleys that should not be too costly.
The early designs was a platform to assist with moving heavy
objects around, about the size of a pallet.
The middle area was to be open but could have a board(platform)
placed in.

Road chair?
using an old lounge and a couple sets of gofer motor/wheel sets.

Robot front end loader.
once again using gofer motor/wheel sets.

Regards Peter

--

Peter Wintulich

Voicetronix Pty. Ltd.
Level 1, 246 Pulteney Street,
ADELAIDE 5000
South Australia
AUSTRALIA
+61 8 8232 9112

[Damien P]

On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:

Let's start throwing around ideas for the next group project...

I'm thinking of displays again... like a giant flip display

http://hackaday.com/2012/07/19/flip-dot-display-is-an-advertising-experience-we-can-get-behind/

It would involve designing a flip "pixel" which is as cheap and easy to make as possible.

http://www.instructables.com/id/Arduino-Domino-clock/

How about a sculpture:

http://digitalexperience.cavi.dk/?p=357

Another idea is a water sculpture.  Part of the trick is getting the laminar flow, to stop the water splashing everywhere.

http://digitalexperience.cavi.dk/?p=360

[Damien P]

On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:

A kit for something useful we could all use?

 
I've sometimes thought of a power supply.  A microcontroller operates as a switching supply, monitoring a sense resistor to limit current output.  The voltage and maximum current could be set, and the results appear on a display.  A laptop supply would be used as input.   I'm not sure whether this could be something that several people could help design.

[Robert Hart]

What about some do-nothing boxes.

A group of boxes with knobs, switches, lights and meters and sounds

They do nothing, other than turn lights and sounds on and off or change the how a light comes on or sound.  These could be used a child distraction at events like the maker faire, allowing the parent to ask questions at the stalls while the child is kept busy.  Also it could just look very techy, so you could tell the average bunter it did something special.

Maybe also with another feature that other boxes affect how the other operates eg  flick a switch and a light comes on, turn a knob on an other box and the light goes off and a sound comes on etc. etc.

Or maybe a simple device that interacts with each other e.g. rather than having a panel with X number of pixels make each pixel autonomous but able to talk to others nearby through a wireless mesh (IR or Radio)  like a swam of simple robots with little flags. lights or sounds.  The more you make the more impressive the display, the com rate wouldn't even need to be fast so when commands are sent out they ripple out across each device as they respond and resend.

Clearly its wine o'clock

Robert

[Andrew Helgeson]

I like the idea of a robot front end loader and have tried floating the idea on the diydrones forums.

something like my rover with a bucket, start simple along the lines of dig a hole with given dimensions or build a ramp of a given width and grade.

GPS isn't accurate enough, so a local positioning system is needed.

[Damien P]

On Friday, April 12, 2013 10:26:00 PM UTC+9:30, Cyberteque wrote:

I like the idea of a robot front end loader and have tried floating the idea on the diydrones forums.

Something that different people can work on would be a good idea.  With something like this, some could do the mechanical stuff, some the basic programming and communication, some the navigation and positioning.

Some other ideas:
 - A Segway, or a large self balancing robot
 - A replica wireless set, which plays authentic radio recordings (I'm sure there are plenty of public domain ones) and changes "stations" when you turn a dial.  The internals could be as simple as an MP3 player which hits "next" when you turn the dial.

[Steven Pickles]

Some of these ideas could be collaboration between just a few people, which would also be OK.

Also remember that design/creative leadership is useful in a lot of projects. So if an idea sounds cool to you but you don't know how to do it yourself, being a source of enthusiasm is a valuable role.

Things that can be accomplished in our current space would be handy.

pix

[Damien P]

On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:

Let's start throwing around ideas for the next group project...

A large DIY touch screen.  There are various different designs online.

[Steven Pickles]

I've had experience with a large rear-projection touch screen using the Reactable libraries for finger detection. Very doable.

--

[Thomas Sprinkmeier]

Use the LCA HackCNC to press the buttons on a calculator.

Add a webcam, OCR and a web-front-end and you have ... a calculator!

--
Quis custodiet ipsos custodes?

[Steven Pickles]

After having not-much-to-show at the SciWorld show on the weekend, I'd like to open this out to not just group projects, but anything that would look good at such an event. Interactive* stuff works great. So if you have something you would like to make (that may or not be a viable group project) but would look good at a Hackerspace Adelaide stand, then post it here, and the committee can think about paying for the bits.

(* where interactive in this case just means "its behaviour/appearance/smell/whatever can be influenced by the viewer")

pix

[Robert Hart]

How about a dot matrix display made from cheap plasma balls.
http://www.ebay.com.au/itm/USB-Plasma-Ball-Sphere-Desktop-Light-Lamp-Light-Show-/400482915561?pt=LH_DefaultDomain_15&hash=item5d3ea454e9&_uhb=1

I bought one of these once, to see what was inside, as they ran off 5v thought the inverter might be used as the basis of a cheap 5V to 1200V dc supply for a photomultiplier and yes they are.  Also the sphere was quite a nice blown glass vessel with low pressure neon inside.

Happy to build a matrix of say 5 x 5 or some other arrangement with a opto isolated driver so it could be switched by an Arduino. The idea its a display that is also interactive when touched, just that someone else would need to do the coding.

Or in other words I'd be happy to pay and make some kind of suggested construction, high voltage or high current or mechanical or pneumatic or electromechanical "thing-a-ma-jig" that has a low voltage, low current, ttl input control that could be easily controlled by an Arduino or something else. The only issue is someone else would need to program it.

Robert

[Steven Pickles]

I'd be happy to program, or talk people through programming any of your contraptions, Rob :)

pix

[Tamsyn Michael]

That sounds pretty cool Robert.

Honestly, though, I'd be wary about taking something like that to the
Elizabeth Science day. Some of the Daleks were damaged by kids kicking
them from behind, and even poor K9 had his nose damaged :(. And some
kids tried to grab things from the Fab Lab table too. Maybe it's the
history of most exhibits being hands on?

With Robert's idea could we put it in an acrylic box do you think?
With cheap / hardy touch sensors (maybe make our own with that
conductive fabric and foam?).

I'd love some input on the gears of my owl too (Like my distance sensor
controlled claw, but (hopefully) cuter. The cost of parts is cheap
($10-12 for parts + a digispark (most of these will fit in a small 3D
printed box). Not really breakable (gear stripping doesn't count when
the servos are only $3 each).

After last Sunday I think kid proof is also a necessary component of
any interactive things we make (or like the Panels where we can put
them out of reach).

>> <thomas.sp...@gmail.com <mailto:thomas.sp...@gmail.com>>

>> wrote:
>>
>> Use the LCA HackCNC to press the buttons on a calculator.
>>
>> Add a webcam, OCR and a web-front-end and you have ... a calculator!
>>
>>
>> On 14 April 2013 11:18, Steven Pickles <thatp...@gmail.com

>> <mailto:thatp...@gmail.com>> wrote:
>>
>> I've had experience with a large rear-projection touch screen
>> using the Reactable libraries for finger detection. Very doable.
>>
>>
>> On 14 April 2013 11:15, Damien P <ath...@gmail.com

>> <mailto:ath...@gmail.com>> wrote:
>>
>> On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:
>>
>> Let's start throwing around ideas for the next group
>> project...
>>
>>
>> A large DIY touch screen. There are various different
>> designs online.
>> --
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[Steven Pickles]

Hey Tamsyn, do you have a link to the thingiverse your claw was based on? So I can think about how you are adapting it to the owl.

Thanks,

pix

<thomas.sp...@gmail.com <mailto:thomas.sprinkmeier@gmail.com>>

wrote:

    Use the LCA HackCNC to press the buttons on a calculator.

    Add a webcam, OCR and a web-front-end and you have ... a calculator!


    On 14 April 2013 11:18, Steven Pickles <thatp...@gmail.com

    <mailto:thatp...@gmail.com>> wrote:

        I've had experience with a large rear-projection touch screen
        using the Reactable libraries for finger detection. Very doable.


        On 14 April 2013 11:15, Damien P <ath...@gmail.com

        <mailto:ath...@gmail.com>> wrote:

            On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:

                Let's start throwing around ideas for the next group
                project...


            A large DIY touch screen.  There are various different
            designs online.
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[robert_hart]

Okay I'll start thinking of some kind of interactive kid proof contraption that someone can write the code for.

I have two kid proofing testers here at home so testing that part would be easy too arrange :-)

Guess some big knobs and switch for input control too where it actual function can be determed as an after thought

Robert

Sent from Samsung tablet

-------- Original message --------
From: Steven Pickles <thatp...@gmail.com>
Date: 10/05/2013 9:27 PM (GMT+09:30)
To: Hackadl <hackerspac...@googlegroups.com>
Subject: Re: [HACK-ADL] Re: Next group project?

I'd be happy to program, or talk people through programming any of your contraptions, Rob :)

pix

On 10 May 2013 20:18, Robert Hart <rob...@hardhack.org.au> wrote:

How about a dot matrix display made from cheap plasma balls.
http://www.ebay.com.au/itm/USB-Plasma-Ball-Sphere-Desktop-Light-Lamp-Light-Show-/400482915561?pt=LH_DefaultDomain_15&hash=item5d3ea454e9&_uhb=1

I bought one of these once, to see what was inside, as they ran off 5v thought the inverter might be used as the basis of a cheap 5V to 1200V dc supply for a photomultiplier and yes they are.  Also the sphere was quite a nice blown glass vessel with low pressure neon inside.

Happy to build a matrix of say 5 x 5 or some other arrangement with a opto isolated driver so it could be switched by an Arduino. The idea its a display that is also interactive when touched, just that someone else would need to do the coding.

Or in other words I'd be happy to pay and make some kind of suggested construction, high voltage or high current or mechanical or pneumatic or electromechanical "thing-a-ma-jig" that has a low voltage, low current, ttl input control that could be easily controlled by an Arduino or something else. The only issue is someone else would need to program it.

Robert

On 10/05/2013 6:27 PM, Steven Pickles wrote:

After having not-much-to-show at the SciWorld show on the weekend, I'd like to open this out to not just group projects, but anything that would look good at such an event. Interactive* stuff works great. So if you have something you would like to make (that may or not be a viable group project) but would look good at a Hackerspace Adelaide stand, then post it here, and the committee can think about paying for the bits.

(* where interactive in this case just means "its behaviour/appearance/smell/whatever can be influenced by the viewer")

pix

On 15 April 2013 13:10, Thomas Sprinkmeier <thomas.sp...@gmail.com> wrote:

Use the LCA HackCNC to press the buttons on a calculator.

Add a webcam, OCR and a web-front-end and you have ... a calculator!

On 14 April 2013 11:18, Steven Pickles <thatp...@gmail.com> wrote:

I've had experience with a large rear-projection touch screen using the Reactable libraries for finger detection. Very doable.

On 14 April 2013 11:15, Damien P <ath...@gmail.com> wrote:

On Thursday, April 11, 2013 2:34:59 PM UTC+9:30, pix wrote:

Let's start throwing around ideas for the next group project...

A large DIY touch screen.  There are various different designs online.

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Quis custodiet ipsos custodes?

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[Tamsyn Michael]

Robert - they like things that make noise, though we might not by the
end of the day. :)

Pix - http://www.thingiverse.com/thing:2415
It cuts out of 3mm MDF and fits together well. The wings will be much
simpler though, just the upper arms connected to triangles for the
wings. I have got working wings - I'm just not sure how I'm going to
attach it to the owl (I don't think we want the servo sticking out).
Haven't designed a box yet either. Don't worry about doing the leg
work - I'm enjoying that - but if you've got some suggestions I'm all
ears.