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Machine Project Cash Machine @
The New Children’s Museum, San Diego
Tod E. Kurt and Carlyn Maw
teampneumo.com
October 24th...
The Cash Machine
An interactive fundraising installation
piece now in the lobby of a children’s
art museum in San Diego
Mo...
The Cash Machine
An interactive fundraising installation
piece now in the lobby of a children’s
art museum in San Diego
Mo...
The Cash Machine
An interactive fundraising installation
piece now in the lobby of a children’s
art museum in San Diego
Mo...
The Cash Machine
An interactive fundraising installation
piece now in the lobby of a children’s
art museum in San Diego
Mo...
The Cash Machine
An interactive fundraising installation
piece now in the lobby of a children’s
art museum in San Diego
Mo...
Machine Project
Provides resources to, and collaborates with
artists working with technology; promotes
interaction between...
Machine Project
The Original Cash Machine
Monday, October 24, 2011
Machine Project Original Cash Machine Movie
Monday, October 24, 2011
Movie of it in action.
This is what it looks like / H...
Machine Project Original Cash Machine Movie
Monday, October 24, 2011
Movie of it in action.
This is what it looks like / H...
Carlyn
-- Founder of CRASH space LA hackerspace
-- Author of many original Arduino.cc tutorials
-- Instructor at ITP, Mach...
!
!
!
!
Initial Ideas & Proposal
Monday, October 24, 2011
Our design brief was brief:
- Detect bills
- Make noises, flash l...
!
!
!
Initial Ideas & Proposal
Monday, October 24, 2011
Use 3 HP Dust Collector if possible (Harbor Freight, Red)
Stuff Ha...
Anatomy of the new system
• Pneumatics
• Bill Detection
• Sound & Light
• Movement
Monday, October 24, 2011
Can the origin...
Pneumatics
Impeller & Impeller Trigger, Cyclone, 200 ft. of Tube.
Monday, October 24, 2011
Recon & Initial PlanPneumatics
Monday, October 24, 2011
Animation movie of how it might look in the space.
The pneumatics ...
Recon & Initial PlanPneumatics
Monday, October 24, 2011
Animation movie of how it might look in the space.
The pneumatics ...
Pneumatics / Where to place the cyclone and the impeller?
Monday, October 24, 2011
The chosen impeller to hopefully work w...
Pneumatics / Will is suck?
Monday, October 24, 2011
Pneumatics / Will is suck?
Monday, October 24, 2011
Bendiness and Length
Sharp bends create vortices that reduce suction, ...
Pneumatics / How to trigger 220V from a distance?
Monday, October 24, 2011
Possible trigger solutions:
- Run wire (Would b...
Pneumatics / Hack an existing product.
Monday, October 24, 2011
1 of 2 from Hack 220 V
Using a “Long Ranger III” wireless ...
Pneumatics / Hack an existing product.
Monday, October 24, 2011
2 of 2 from Hack 220 V
First version of circuit had some i...
Pneumatics / Submitting the Layout
Monday, October 24, 2011
They needed to know ahead of time for mounting hardware orderi...
Pneumatics / Submitting the Layout
Monday, October 24, 2011
They needed to know ahead of time for mounting hardware orderi...
Show the Arduino the Money.
Bill Detection
Monday, October 24, 2011
!
Bill Detection / The Starting Point
Monday, October 24, 2011
Render from proposal. A kind of “clamp” that surrounds the ...
Bill Detection / IR Beam Break
Monday, October 24, 2011
So what are those components... (pictures of ‘lil ring boards)
Sta...
Bill Detection / Lots of tweaking for sensor ring itself
Monday, October 24, 2011
Many design iterations of the sensor rin...
Bill Detection / Lots of tweaking for sensor ring itself
Monday, October 24, 2011
Bill Detection / Custom Shield
Monday, October 24, 2011
Picture of Bill Detector Arduino Shield
So much in a little space ...
Bill Detection / Custom Shield
Monday, October 24, 2011
Picture of production shields
Bill Detection / Test
Monday, October 24, 2011
First prototype PCB (fabbed 3 versions total)
3D printed rings act as both ...
Bill Detection / All together
Monday, October 24, 2011
Final production version of sensor rings.
3D printed rings act as b...
Noise & Light
Bells, Servo Motors & MaxMs
Monday, October 24, 2011
Noise & Light / Bells, Bells, Bells
Monday, October 24, 2011
Tried different bell types (Amazon & Guitar Center as researc...
Noise & Light / Solenoids Vs. Servo Motors
Monday, October 24, 2011
Actuation methods – servo motors
Bell striking typical...
Noise & Light / The right striker
Monday, October 24, 2011
Picture of servo mounted strikers
Servos can’t move fast enough...
Noise & Light / An extra signal
Monday, October 24, 2011
Picture of MaxM
Super bright, will allow an update of color patte...
Noise & Light / The Build Out
Monday, October 24, 2011
Production bell box.
Laser-cut wood form the box,
3d printed sensor...
Spinny Bits
Styrofoam Fantasy
Monday, October 24, 2011
Spinny Bits / Baffling Red Whoosie Whatzits
Monday, October 24, 2011
This was not really part of the original project plan,...
Spinny Bits / Material & Process Research
Monday, October 24, 2011
Styrofoam, what to cover the styrofoam with, what could...
Spinny Bits / Design Research
Monday, October 24, 2011
Initial designs
Spikey
Flat
More 3 Dimensional / More Visual Volume...
Spinny Bits / The drawing board
Monday, October 24, 2011
Me looking tired
Designing the “feel” of the entire piece, and th...
Spinny Bits / Swappable mounting hardware
Monday, October 24, 2011
Many iterations of the mechanical linkage to transmit p...
Spinny Bits / Swappable mounting hardware
Monday, October 24, 2011
Close up views of the servo linkage and the spinnybit m...
Spinny Bits / The drawings
Monday, October 24, 2011
What kind of motor are they attached to, size factor, what order, how ...
Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Pict...
Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Pict...
Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Pict...
Spinny Bits / Manufacturing Process
Monday, October 24, 2011
Manufacturing Process
Lots of tests with different tools
Pict...
4 Days, 5 People
The Install
Monday, October 24, 2011
Mount Impeller (hole in wall)
Mount Cyclone (Attach to rest, add end...
Install / Mounting the tubes
Monday, October 24, 2011
Trouble with angles...
Mount Pipe
Flexible Hose as Gasket
There was ...
Install / Mounting the tubes
Monday, October 24, 2011
Flexible Hose as Gasket
Cut small lengths of the hose to cushion del...
Install / Mounting the tubes
Monday, October 24, 2011
Tubes installed, now time for bell boxes
Install / Mounting bell boxes
Monday, October 24, 2011
Giving the bell boxes their approx. location so we could test them.
Install / Mounting spinny bits
Monday, October 24, 2011
Key holes were drilled into back of motor boxes for mounting
Install / Scissor Lift Joy.
Monday, October 24, 2011
Being 3 stories up in a scissor lift is fun, but tiring.
Install / Occupy San Diego
Monday, October 24, 2011
Going on at the same time as our install.
October 15th OpeningThe Pay Off
Monday, October 24, 2011
The Pay Off / Mo’ Money
Monday, October 24, 2011
The Pay Off / People Playing
Monday, October 24, 2011
Movie of it in use
But more to go...	
Monday, October 24, 2011
What we learned from children watching it...
Fixing the flash problem...
Good f...
More To Go / Flash Dance
Monday, October 24, 2011
Camera flashes trigger all bell boxes
Questions?
Monday, October 24, 2011
Thank You
Monday, October 24, 2011
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Transcript of "Cash machinepres woodbury"

  1. 1. Machine Project Cash Machine @ The New Children’s Museum, San Diego Tod E. Kurt and Carlyn Maw teampneumo.com October 24th, 2011 Woodbury University Monday, October 24, 2011 Hello!
  2. 2. The Cash Machine An interactive fundraising installation piece now in the lobby of a children’s art museum in San Diego Monday, October 24, 2011
  3. 3. The Cash Machine An interactive fundraising installation piece now in the lobby of a children’s art museum in San Diego Monday, October 24, 2011
  4. 4. The Cash Machine An interactive fundraising installation piece now in the lobby of a children’s art museum in San Diego Monday, October 24, 2011
  5. 5. The Cash Machine An interactive fundraising installation piece now in the lobby of a children’s art museum in San Diego Monday, October 24, 2011 Quick movie of it in action
  6. 6. The Cash Machine An interactive fundraising installation piece now in the lobby of a children’s art museum in San Diego Monday, October 24, 2011 Quick movie of it in action
  7. 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
  8. 8. Machine Project The Original Cash Machine Monday, October 24, 2011
  9. 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 -- Wasn’t sure about the engineering for additional features -- Called us to figure it out
  10. 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 -- Wasn’t sure about the engineering for additional features -- Called us to figure it out
  11. 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 film website: carlynorama.com twitter: @carlynorama Tod -- Creator of BlinkM Smart LED -- Designer of Wiichuck adapter & WingShield -- Contributor to MAKE magazine -- Author of “Hacking Roomba” website: todbot.com twitter: @todbot Monday, October 24, 2011
  12. 12. ! ! ! ! Initial Ideas & Proposal Monday, October 24, 2011 Our design brief was brief: - Detect bills - Make noises, flash lights, make motion - Use 3 HP Dust Collector (Harbor Freight, Red) if possible Stuff Hanging Off Bigger Dust Detector Literal “bells & whistles” First Idea adjustment (inlet pipe organ/reed instrument vetoed)
  13. 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 “bells & whistles” First Idea adjustment (inlet pipe organ/reed instrument vetoed)
  14. 14. Anatomy of the new system • Pneumatics • Bill Detection • Sound & Light • 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 figure out the best way to approach that. Movement - And there needed to be movement on the wall that had to be very large.
  15. 15. Pneumatics Impeller & Impeller Trigger, Cyclone, 200 ft. of Tube. Monday, October 24, 2011
  16. 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 find 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. 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 find 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. 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 it’s 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 figured 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?
  19. 19. Pneumatics / Will is suck? Monday, October 24, 2011
  20. 20. Pneumatics / Will is suck? Monday, October 24, 2011 Bendiness and Length Sharp bends create vortices that reduce suction, but we want a space-filling design Test - Problem: Horizontal The real space is vertical; will our horizontal tests be valid, does gravity play a big role?
  21. 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: it’s 80ft along wall, 40ft line-of-sight) - Considered doing a custom radio solution, but that didn’t solve having a UL rated 220V switching solution. - Ended up finding wireless remote designed for dust collectors Thank you Amazon (Amazon as research tool)
  22. 22. Pneumatics / Hack an existing product. Monday, October 24, 2011 1 of 2 from Hack 220 V Using a “Long Ranger III” 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. 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 - flying leads replaced with plug-n-socket connection
  24. 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 -- finding 6 inch to 4 inch adapter for side and 4 inch to 8 inch adapter for top.
  25. 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 -- finding 6 inch to 4 inch adapter for side and 4 inch to 8 inch adapter for top.
  26. 26. Show the Arduino the Money. Bill Detection Monday, October 24, 2011
  27. 27. ! Bill Detection / The Starting Point Monday, October 24, 2011 Render from proposal. A kind of “clamp” that surrounds the tube and has embedded sensors, holding a box of electronics. Challenges we had to figure out: - Can we really detect bills? - Will this mounting solution work? - How to actually build the mounts? Let’s assume IR Beam-Break – 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. 28. Bill Detection / IR Beam Break Monday, October 24, 2011 So what are those components... (pictures of ‘lil 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 filter out ambient light changes To modulate light, need Arduino hardware timers, can’t “delay()” this
  29. 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. 30. Bill Detection / Lots of tweaking for sensor ring itself Monday, October 24, 2011
  31. 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 can’t use in production.
  32. 32. Bill Detection / Custom Shield Monday, October 24, 2011 Picture of production shields
  33. 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. 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
  35. 35. Noise & Light Bells, Servo Motors & MaxMs Monday, October 24, 2011
  36. 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 isn’t annoying. Children’s handbells seemed to best solution.
  37. 37. Noise & Light / Solenoids Vs. Servo Motors Monday, October 24, 2011 Actuation methods – servo motors Bell striking typically done with solenoids b/c they have speed But servos have SWIIING, works in multiple orientations, don’t use as much power
  38. 38. Noise & Light / The right striker Monday, October 24, 2011 Picture of servo mounted strikers Servos can’t 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. 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. 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
  41. 41. Spinny Bits Styrofoam Fantasy Monday, October 24, 2011
  42. 42. Spinny Bits / Baffling Red Whoosie Whatzits Monday, October 24, 2011 This was not really part of the original project plan, and mentally had started out as little flags and pinwheels. But realized that we would need some fairly large objects to fill 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. 43. Spinny Bits / Material & Process Research Monday, October 24, 2011 Styrofoam, what to cover the styrofoam with, what could expedite the process
  44. 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. 45. Spinny Bits / The drawing board Monday, October 24, 2011 Me looking tired Designing the “feel” of the entire piece, and the behaviors of each spinny bit.
  46. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 56. Install / Mounting the tubes Monday, October 24, 2011 Tubes installed, now time for bell boxes
  57. 57. Install / Mounting bell boxes Monday, October 24, 2011 Giving the bell boxes their approx. location so we could test them.
  58. 58. Install / Mounting spinny bits Monday, October 24, 2011 Key holes were drilled into back of motor boxes for mounting
  59. 59. Install / Scissor Lift Joy. Monday, October 24, 2011 Being 3 stories up in a scissor lift is fun, but tiring.
  60. 60. Install / Occupy San Diego Monday, October 24, 2011 Going on at the same time as our install.
  61. 61. October 15th OpeningThe Pay Off Monday, October 24, 2011
  62. 62. The Pay Off / Mo’ Money Monday, October 24, 2011
  63. 63. The Pay Off / People Playing Monday, October 24, 2011 Movie of it in use
  64. 64. But more to go... Monday, October 24, 2011 What we learned from children watching it... Fixing the flash problem... Good for us that it is a children’s museum More challenging because has to be more “hardened” Excellent because the HAVE a maintenance staff with skills. The circuit we showed is actually going in on Wednesday b/c of loose connection Refine the behaviors of the spinners Replaced on of the spinners where the arm didn’t survive (the glue didn’t take)
  65. 65. More To Go / Flash Dance Monday, October 24, 2011 Camera flashes trigger all bell boxes
  66. 66. Questions? Monday, October 24, 2011
  67. 67. Thank You Monday, October 24, 2011

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