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Cash machinepres woodbury
1. Machine Project Cash Machine @
The New Childrenâs Museum, San Diego
Tod E. Kurt and Carlyn Maw
teampneumo.com
October 24th, 2011
Woodbury University
Monday, October 24, 2011
Hello!
2. The Cash Machine
An interactive fundraising installation
piece now in the lobby of a childrenâs
art museum in San Diego
Monday, October 24, 2011
3. The Cash Machine
An interactive fundraising installation
piece now in the lobby of a childrenâs
art museum in San Diego
Monday, October 24, 2011
4. The Cash Machine
An interactive fundraising installation
piece now in the lobby of a childrenâs
art museum in San Diego
Monday, October 24, 2011
5. The Cash Machine
An interactive fundraising installation
piece now in the lobby of a childrenâs
art museum in San Diego
Monday, October 24, 2011
Quick movie of it in action
6. The Cash Machine
An interactive fundraising installation
piece now in the lobby of a childrenâs
art museum in San Diego
Monday, October 24, 2011
Quick movie of it in action
7. Machine Project
Provides resources to, and collaborates with
artists working with technology; promotes
interaction between artists, scientists, poets,
technicians and performers.
Monday, October 24, 2011
What is Machine Project
9. Machine Project Original Cash Machine Movie
Monday, October 24, 2011
Movie of it in action.
This is what it looks like / How it works
-- He had an idea that it could be pitched to this museum
-- Wasnât sure about the engineering for additional features
-- Called us to ïŹgure it out
10. Machine Project Original Cash Machine Movie
Monday, October 24, 2011
Movie of it in action.
This is what it looks like / How it works
-- He had an idea that it could be pitched to this museum
-- Wasnât sure about the engineering for additional features
-- Called us to ïŹgure it out
11. Carlyn
-- Founder of CRASH space LA hackerspace
-- Author of many original Arduino.cc tutorials
-- Instructor at ITP, Machine Project
-- Special Effects / Pyrotechnics work for ïŹlm
website: carlynorama.com
twitter: @carlynorama
Tod
-- Creator of BlinkM Smart LED
-- Designer of Wiichuck adapter & WingShield
-- Contributor to MAKE magazine
-- Author of âHacking Roombaâ
website: todbot.com
twitter: @todbot
Monday, October 24, 2011
12. !
!
!
!
Initial Ideas & Proposal
Monday, October 24, 2011
Our design brief was brief:
- Detect bills
- Make noises, ïŹash lights, make motion
- Use 3 HP Dust Collector (Harbor Freight, Red) if possible
Stuff Hanging Off
Bigger Dust Detector
Literal âbells & whistlesâ
First Idea adjustment (inlet pipe organ/reed instrument vetoed)
13. !
!
!
Initial Ideas & Proposal
Monday, October 24, 2011
Use 3 HP Dust Collector if possible (Harbor Freight, Red)
Stuff Hanging Off
Bigger Dust Detector
Literal âbells & whistlesâ
First Idea adjustment (inlet pipe organ/reed instrument vetoed)
14. Anatomy of the new system
âą Pneumatics
âą Bill Detection
âą Sound & Light
âą Movement
Monday, October 24, 2011
Can the original be made prettier?
Pneumatics - Includes the tubing, the cyclone and the impeller
Bill Detection - Sensor for the bills and a special mounting harness for them
Sound & Light - Wanted real world behaviors so we had to ïŹgure out the best way to
approach that.
Movement - And there needed to be movement on the wall that had to be very large.
16. Recon & Initial PlanPneumatics
Monday, October 24, 2011
Animation movie of how it might look in the space.
The pneumatics again, is the tubing, the impeller and the cyclone that all need to ïŹnd a home
in a pretty stunning space.
The space is very vertical: our main elements would start at the 15 feet and go up to 35 feet.
This was a good experiment on how to convert architectural diagrams into a 3D model for
visualization.
17. Recon & Initial PlanPneumatics
Monday, October 24, 2011
Animation movie of how it might look in the space.
The pneumatics again, is the tubing, the impeller and the cyclone that all need to ïŹnd a home
in a pretty stunning space.
The space is very vertical: our main elements would start at the 15 feet and go up to 35 feet.
This was a good experiment on how to convert architectural diagrams into a 3D model for
visualization.
18. Pneumatics / Where to place the cyclone and the impeller?
Monday, October 24, 2011
The chosen impeller to hopefully work with so much tubeis 3 horse power and 99dB, so itâs
not quiet. It also takes 220V. We had some suggestion of different places to go, but in the
end they came and got it to do sound checks. Smart move. The put it in the closet. It meant
drilling hole for the tube and adding 220V for them.
But once we ïŹgured out where they were going we still had two major questions to answer:
- Will it pull the bills through 150+ feet of tube
- How will we trigger it from across the giant lobby?
20. Pneumatics / Will is suck?
Monday, October 24, 2011
Bendiness and Length
Sharp bends create vortices that reduce suction, but we want a space-ïŹlling design
Test - Problem: Horizontal
The real space is vertical; will our horizontal tests be valid, does gravity play a big role?
21. Pneumatics / How to trigger 220V from a distance?
Monday, October 24, 2011
Possible trigger solutions:
- Run wire (Would be ugly, issues with wire length: itâs 80ft along wall, 40ft line-of-sight)
- Considered doing a custom radio solution, but that didnât solve having a UL rated 220V
switching solution.
- Ended up ïŹnding wireless remote designed for dust collectors
Thank you Amazon (Amazon as research tool)
22. Pneumatics / Hack an existing product.
Monday, October 24, 2011
1 of 2 from Hack 220 V
Using a âLong Ranger IIIâ wireless remote for 220V woodworking equipment.
Remote taken apart and circuit made to push buttons on remote with relays.
Circuit soldered down on a SparkFun ProtoShield
23. Pneumatics / Hack an existing product.
Monday, October 24, 2011
2 of 2 from Hack 220 V
First version of circuit had some intermittent behavior.
Second version had some improvements
- 9V regulator to emulate 9V battery
- added antenna wire to existing antenna to extend range
- ïŹying leads replaced with plug-n-socket connection
24. Pneumatics / Submitting the Layout
Monday, October 24, 2011
They needed to know ahead of time for mounting hardware ordering
We needed to know to design the spinners, supplies ordering
(With and without dots)
---
Notes about the Cyclone probably not for this talk.
-- Cyclone bottom with Lock
-- basket ball hoop with red tape & foam for mount
-- ïŹnding 6 inch to 4 inch adapter for side and 4 inch to 8 inch adapter for top.
25. Pneumatics / Submitting the Layout
Monday, October 24, 2011
They needed to know ahead of time for mounting hardware ordering
We needed to know to design the spinners, supplies ordering
(With and without dots)
---
Notes about the Cyclone probably not for this talk.
-- Cyclone bottom with Lock
-- basket ball hoop with red tape & foam for mount
-- ïŹnding 6 inch to 4 inch adapter for side and 4 inch to 8 inch adapter for top.
26. Show the Arduino the Money.
Bill Detection
Monday, October 24, 2011
27. !
Bill Detection / The Starting Point
Monday, October 24, 2011
Render from proposal. A kind of âclampâ that surrounds the tube and has embedded sensors,
holding a box of electronics.
Challenges we had to ïŹgure out:
- Can we really detect bills?
- Will this mounting solution work?
- How to actually build the mounts?
Letâs assume IR Beam-Break
â Would the tube refract the light?
- Speed of detections, are the sensors fast enough
- Tolerance of Ambient Light
How to mount the sensors?
- Use existing tube mounting hardware?
- Design our own laser cut mounting rings?
- Or design our own 3D printed clamps?
28. Bill Detection / IR Beam Break
Monday, October 24, 2011
So what are those components... (pictures of âlil ring boards)
Standard IR LED and standard TV IR remote control detector
That proved useful in testing later on installed tubes (use TV remote to trigger)
IR detectors need modulated IR light,
Helps ïŹlter out ambient light changes
To modulate light, need Arduino hardware timers, canât âdelay()â this
29. Bill Detection / Lots of tweaking for sensor ring itself
Monday, October 24, 2011
Many design iterations of the sensor rings and the electronics box
Had around 40 versions, about 10 fabbed.
Will it hold? Will it align the sensors correctly?
30. Bill Detection / Lots of tweaking for sensor ring itself
Monday, October 24, 2011
31. Bill Detection / Custom Shield
Monday, October 24, 2011
Picture of Bill Detector Arduino Shield
So much in a little space so best course of action was to make custom shield
Breadboard version proved out the idea, but canât use in production.
32. Bill Detection / Custom Shield
Monday, October 24, 2011
Picture of production shields
33. Bill Detection / Test
Monday, October 24, 2011
First prototype PCB (fabbed 3 versions total)
3D printed rings act as both clamps around the pipe and as mounts for sensor boards
34. Bill Detection / All together
Monday, October 24, 2011
Final production version of sensor rings.
3D printed rings act as both clamps around the pipe and as mounts for sensor boards
36. Noise & Light / Bells, Bells, Bells
Monday, October 24, 2011
Tried different bell types (Amazon & Guitar Center as research tool)
- Desk bells
- Jingle bells
- Cow bells
- Shaker Sticks
- Drums & Cymbals
Needed something that cuts through the noise but isnât annoying.
Childrenâs handbells seemed to best solution.
37. Noise & Light / Solenoids Vs. Servo Motors
Monday, October 24, 2011
Actuation methods â servo motors
Bell striking typically done with solenoids b/c they have speed
But servos have SWIIING, works in multiple orientations, donât use as much power
38. Noise & Light / The right striker
Monday, October 24, 2011
Picture of servo mounted strikers
Servos canât move fast enough.
So we stole springiness from the strikers, they make the up the needed speed
And the strikers needed to be hard & dense to get the right tone.
39. Noise & Light / An extra signal
Monday, October 24, 2011
Picture of MaxM
Super bright, will allow an update of color pattern (light engine) in the future if desired and /
or upgrade to strip lights.
40. Noise & Light / The Build Out
Monday, October 24, 2011
Production bell box.
Laser-cut wood form the box,
3d printed sensor rings
Everything painted Machine Project Red
And the arrangement of bells produce a custom melody
42. Spinny Bits / BafïŹing Red Whoosie Whatzits
Monday, October 24, 2011
This was not really part of the original project plan, and mentally had started out as little ïŹags
and pinwheels.
But realized that we would need some fairly large objects to ïŹll the volume of the space.
Servo drivable / combination of full rotation and regular for different behaviors. Some
motion all the time and some just a trigger reward.
LIGHT
Texture
43. Spinny Bits / Material & Process Research
Monday, October 24, 2011
Styrofoam, what to cover the styrofoam with, what could expedite the process
44. Spinny Bits / Design Research
Monday, October 24, 2011
Initial designs
Spikey
Flat
More 3 Dimensional / More Visual Volume / Less Fragile / More Asymmetric
Needed to change mounting style (there is a hole down the middle)
45. Spinny Bits / The drawing board
Monday, October 24, 2011
Me looking tired
Designing the âfeelâ of the entire piece, and the behaviors of each spinny bit.
46. Spinny Bits / Swappable mounting hardware
Monday, October 24, 2011
Many iterations of the mechanical linkage to transmit power from servo to spinnybit.
Also many iterations of the box itself to hold the servo motor.
47. Spinny Bits / Swappable mounting hardware
Monday, October 24, 2011
Close up views of the servo linkage and the spinnybit mounting plate, both 3d printed
48. Spinny Bits / The drawings
Monday, October 24, 2011
What kind of motor are they attached to, size factor, what order, how much Styrofoam of
what sizes, how much balsa wood of each size? Nice to have a sketch book, but also need a
spreadsheet.
49. Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Picture of Me
White Assembled On the Grass
Painted Red
Primed?
50. Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Picture of Me
White Assembled On the Grass
Painted Red
Primed?
51. Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Picture of Me
White Assembled On the Grass
Painted Red
Primed?
52. Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Picture of Me
White Assembled On the Grass
Painted Red
Primed?
53. 4 Days, 5 People
The Install
Monday, October 24, 2011
Mount Impeller (hole in wall)
Mount Cyclone (Attach to rest, add end cap)
Bell Boxes
Splice Power in from 3 places, wire it to all the boxes
Spinny Bit Boxes
The Intake Had to Be mounted, lit, child proofed a little.
54. Install / Mounting the tubes
Monday, October 24, 2011
Trouble with angles...
Mount Pipe
Flexible Hose as Gasket
There was an app for that. (Clinometer iPhone app helped get the 45 degree angles)
55. Install / Mounting the tubes
Monday, October 24, 2011
Flexible Hose as Gasket
Cut small lengths of the hose to cushion delicate acrylic tube in metal bracket.
56. Install / Mounting the tubes
Monday, October 24, 2011
Tubes installed, now time for bell boxes
57. Install / Mounting bell boxes
Monday, October 24, 2011
Giving the bell boxes their approx. location so we could test them.
58. Install / Mounting spinny bits
Monday, October 24, 2011
Key holes were drilled into back of motor boxes for mounting
59. Install / Scissor Lift Joy.
Monday, October 24, 2011
Being 3 stories up in a scissor lift is fun, but tiring.
60. Install / Occupy San Diego
Monday, October 24, 2011
Going on at the same time as our install.
62. The Pay Off / Moâ Money
Monday, October 24, 2011
63. The Pay Off / People Playing
Monday, October 24, 2011
Movie of it in use
64. But more to go...
Monday, October 24, 2011
What we learned from children watching it...
Fixing the ïŹash problem...
Good for us that it is a childrenâs museum
More challenging because has to be more âhardenedâ
Excellent because the HAVE a maintenance staff with skills.
The circuit we showed is actually going in on Wednesday b/c of loose connection
ReïŹne the behaviors of the spinners
Replaced on of the spinners where the arm didnât survive (the glue didnât take)
65. More To Go / Flash Dance
Monday, October 24, 2011
Camera ïŹashes trigger all bell boxes