Space Balloon BarCamp Nashville

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my Space Balloon presentation at BarCamp Nashville.

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Space Balloon BarCamp Nashville

  1. 1. So I Sent This Balloon Into Space... #bcn11spaceSunday, October 16, 2011 1
  2. 2. So I Sent This Balloon Into Space... #bcn11space That’s Nashville!Sunday, October 16, 2011 2
  3. 3. WTFSunday, October 16, 2011 3
  4. 4. FAQSunday, October 16, 2011 4
  5. 5. FAQ • Why?Sunday, October 16, 2011 4
  6. 6. FAQ • Why? • How high?Sunday, October 16, 2011 4
  7. 7. FAQ • Why? • How high? • Isn’t it like {cold,hot} up there?Sunday, October 16, 2011 4
  8. 8. FAQ • Why? • How high? • Isn’t it like {cold,hot} up there? • Where did it go?Sunday, October 16, 2011 4
  9. 9. FAQ • Why? • How high? • Isn’t it like {cold,hot} up there? • Where did it go? • Is that legal?Sunday, October 16, 2011 4
  10. 10. FAQ • Why? • How high? • Isn’t it like {cold,hot} up there? • Where did it go? • Is that legal? • Cost?Sunday, October 16, 2011 4
  11. 11. FAQ • Why? • How high? • Isn’t it like {cold,hot} up there? • Where did it go? • Is that legal? • Cost? • Man you guys are geeks...Sunday, October 16, 2011 4
  12. 12. Why?Sunday, October 16, 2011 5
  13. 13. Why? • Space is awesome!Sunday, October 16, 2011 5
  14. 14. Why? • Space is awesome! • Kinda easy now. Kinda.Sunday, October 16, 2011 5
  15. 15. Why? • Space is awesome! • Kinda easy now. Kinda. • Epic Geek Show off at Talent NightSunday, October 16, 2011 5
  16. 16. Sunday, October 16, 2011 6
  17. 17. Sunday, October 16, 2011 7
  18. 18. Sunday, October 16, 2011 8
  19. 19. Talent Night VideoSunday, October 16, 2011 9
  20. 20. Sunday, October 16, 2011 10
  21. 21. How high did it go?Sunday, October 16, 2011 11
  22. 22. How high did it go? • In short, as high as we told it to.Sunday, October 16, 2011 11
  23. 23. How high did it go? • In short, as high as we told it to. • But how do we *know* how high it went?Sunday, October 16, 2011 11
  24. 24. http://en.wikipedia.org/wiki/Atmospheric_pressureSunday, October 16, 2011 12
  25. 25. Uh, yeah. Google! http://www.csgnetwork.com/pressurealtcalc.htmlSunday, October 16, 2011 13
  26. 26. 0.93% ATM No air.Sunday, October 16, 2011 14
  27. 27. How high up did it go? 102,496 feet or almost 20 miles!Sunday, October 16, 2011 15
  28. 28. Wasn’t it cold? Or Hot? Or something?Sunday, October 16, 2011 16
  29. 29. Totally. Space is pretty unforgiving...Sunday, October 16, 2011 17
  30. 30. -60F! Very coldSunday, October 16, 2011 18
  31. 31. Where did it go?Sunday, October 16, 2011 19
  32. 32. http://habhub.org/predictSunday, October 16, 2011 20
  33. 33. Predicted ~100 milesSunday, October 16, 2011 21
  34. 34. Actual 137 milesSunday, October 16, 2011 22
  35. 35. Recovery Path = 178miSunday, October 16, 2011 23
  36. 36. Is that Legal?Sunday, October 16, 2011 24
  37. 37. Yes. Kinda. • Less than 4lb (1500g) • Not too dense (< 3oz per sq inch) • Rope < 50lb strengthSunday, October 16, 2011 25
  38. 38. NOTAM • Courtesy to Aviators • Helps with safety • Need to know NM and direction from nearest airport and timelines • Be precise • http://en.wikipedia.org/wiki/NOTAMSunday, October 16, 2011 26
  39. 39. What’d it cost?Sunday, October 16, 2011 27
  40. 40. Item Cost Weight (g) arduino nano 168 $0 6 2x6in proto board $3 6 4GB Micro SD Card $8 2x 555 TS555CN Timers $2 4x AA-Battery USB pack $8 145 openlog sd-card logger $25 MMA7260 Accelerometer $10 Humirel Humidity Sensor + Parts $20 Humidity Sensor Proto Board $23 2x DS18B20 Digital Temperature Sensor $5 LED Lights Instamapper $0 0 Styrofoam Container $0 266 Motorola iDEN phone i465 $0 99 Video Camera 1 $111 100 StillCamera 1 - goPro $0 139 Still Camera 2 - Canon A540 $0 235 Parachute - 48" $27 Cording (50lb ~60) Spot $0 209 Balloon x 2 $232 Helium x 2 $161 Pressure Regulator $75 Filling Hose $15 Kapton Tape to seal the box. Totals $709.90 1,206 Allowance 1500 Delta -293.99Sunday, October 16, 2011 28
  41. 41. Geek TimeSunday, October 16, 2011 29
  42. 42. Arduino Web SiteSunday, October 16, 2011 30
  43. 43. Flight ComputerSunday, October 16, 2011 31
  44. 44. Flight Computer • Arduino Nano 168Sunday, October 16, 2011 31
  45. 45. Flight Computer • Arduino Nano 168 • Barometric Pressure SensorSunday, October 16, 2011 31
  46. 46. Flight Computer • Arduino Nano 168 • Barometric Pressure Sensor • AccelerometerSunday, October 16, 2011 31
  47. 47. Flight Computer • Arduino Nano 168 • Barometric Pressure Sensor • Accelerometer • Internal Temp SensorSunday, October 16, 2011 31
  48. 48. Flight Computer • Arduino Nano 168 • Barometric Pressure Sensor • Accelerometer • Internal Temp Sensor • External Temp Sensor (1 wire)Sunday, October 16, 2011 31
  49. 49. Flight Computer • Arduino Nano 168 • Barometric Pressure Sensor • Accelerometer • Internal Temp Sensor • External Temp Sensor (1 wire) • Open Data LoggerSunday, October 16, 2011 31
  50. 50. Flight Computer • Arduino Nano 168 • Barometric Pressure Sensor • Accelerometer • Internal Temp Sensor • External Temp Sensor (1 wire) • Open Data Logger • LED Safety LightsSunday, October 16, 2011 31
  51. 51. Arduino Nano 168 BasedSunday, October 16, 2011 32
  52. 52. #include "Wire.h" #include "OneWire.h" #define BMP085_ADDRESS 0x77 // I2C address of BMP085 #define pinx 0 // Analog pin the X output is connected to. #define piny 1 // Analog pin the Y output is connected to. #define pinz 2 // Analog pin the Z output is connected to. #define ledPin 5 // Digital Pin 5 for blinking LEDs <snip> void mma7260q(void) { sIn = Serial.read(); // Read data from the serial port and shove it into a variable. switch (sIn){ // Tells the Arduino what to do with the serial data. case 1: // If the serial data is a 1 ... digitalWrite(GS1, LOW); // Bring GS1 low. digitalWrite(GS2, LOW); // Bring GS2 low. break; // Done with this data now. We are now in the 1.5g mode. case 2: // If the serial data is a 1 ... digitalWrite(GS1, HIGH); // Turn GS1 high. digitalWrite(GS2, LOW); // And pull GS2 low. break; // Done. We are now in 2g mode. case 4: // If the serial data is a 4 ... digitalWrite(GS2, HIGH); // Bring GS2 high. digitalWrite(GS1, LOW); // And bring GS1 low. break; // Done. We are now in 4g mode. case 6: // If the serial data is a 6 ... digitalWrite(GS1, HIGH); // Bring GS1 high. digitalWrite(GS2, HIGH); // And bring GS2 high also break; // We are now in 6g mode. } // Done with the serial data now. Serial.print("A:x="); Serial.print(analogRead(pinx)); Serial.print(" y="); Serial.print(analogRead(piny)); Serial.print(" z="); Serial.print(analogRead(pinz)); Serial.print(";"); }Sunday, October 16, 2011 33
  53. 53. // Calculate temperature given ut. // Value returned will be in units of 0.1 deg C short bmp085GetTemperature(unsigned int ut) { long x1, x2; x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15; x2 = ((long)mc << 11)/(x1 + md); b5 = x1 + x2; return ((b5 + 8)>>4); }Sunday, October 16, 2011 34
  54. 54. Serial.print(" F="); Serial.print(fehr); Serial.print(";"); mma7260q(); blinkLED(ledPin); temperature = bmp085GetTemperature(bmp085ReadUT()); pressure = bmp085GetPressure(bmp085ReadUP()); Serial.print("bmp085 temp="); Serial.print(temperature,DEC); Serial.print(" pa="); Serial.print(pressure,DEC); Serial.print(";"); Serial.print("^n");Sunday, October 16, 2011 35
  55. 55. Which produced....Sunday, October 16, 2011 36
  56. 56. CRC=1B C=9.25 F=48.65;A:x=326 y=310 z=168;bmp085 temp=163 pa=100090;^2R=28:D:9:DC:2:0:0:FB CRC=6 C=12.25 F=54.05;A:x=331 y=301 z=166;bmp085 temp=160 pa=99995;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=315 y=286 z=167;bmp085 temp=161 pa=100001;^2R=28:D:9:DC:2:0:0:FB CRC=2B C=12.31 F=54.16;A:x=335 y=313 z=185;bmp085 temp=162 pa=100033;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=324 y=317 z=168;bmp085 temp=164 pa=100117;^2R=28:D:9:DC:2:0:0:FB CRC=2A C=12.37 F=54.27;A:x=331 y=300 z=189;bmp085 temp=159 pa=99935;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=318 y=286 z=168;bmp085 temp=157 pa=99859;^2R=28:D:9:DC:2:0:0:FB CRC=6 C=12.25 F=54.05;A:x=289 y=302 z=129;bmp085 temp=166 pa=100146;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=298 y=291 z=167;bmp085 temp=164 pa=100165;^2R=28:D:9:DC:2:0:0:FB CRC=12 C=12.18 F=53.92;A:x=319 y=317 z=164;bmp085 temp=162 pa=100159;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=295 y=297 z=165;bmp085 temp=161 pa=100159;^2R=28:D:9:DC:2:0:0:FB CRC=6 C=12.25 F=54.05;A:x=308 y=318 z=175;bmp085 temp=160 pa=100174;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=299 y=293 z=177;bmp085 temp=159 pa=100168;^2R=28:D:9:DC:2:0:0:FB CRC=2B C=12.31 F=54.16;A:x=315 y=316 z=176;bmp085 temp=158 pa=100168;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=295 y=295 z=164;bmp085 temp=157 pa=100162;^2R=28:D:9:DC:2:0:0:FB CRC=2A C=12.37 F=54.27;A:x=317 y=310 z=175;bmp085 temp=156 pa=100131;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=301 y=293 z=166;bmp085 temp=156 pa=100143;^2R=28:D:9:DC:2:0:0:FB CRC=2A C=12.37 F=54.27;A:x=315 y=310 z=173;bmp085 temp=156 pa=100140;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=304 y=299 z=166;bmp085 temp=155 pa=100156;^2R=28:D:9:DC:2:0:0:FB CRC=2A C=12.37 F=54.27;A:x=318 y=312 z=176;bmp085 temp=155 pa=100143;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=299 y=295 z=167;bmp085 temp=155 pa=100162;^2R=28:D:9:DC:2:0:0:FB CRC=3C C=12.43 F=54.37;A:x=312 y=312 z=176;bmp085 temp=154 pa=100153;^1R=28:14:25:DC:2:0:0:EF CRC=37 C=9.37 F=48.87;A:x=295 y=310 z=164;bmp085 temp=154 pa=100145;^2R=28:D:9:DC:2:0:0:FB CRC=3C C=12.43 F=54.37;A:x=313 y=311 z=176;bmp085 temp=153 pa=100140;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=301 y=296 z=165;bmp085 temp=153 pa=100134;^2R=28:D:9:DC:2:0:0:FB CRC=2 C=12.50 F=54.50;A:x=317 y=313 z=181;bmp085 temp=153 pa=100145;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=298 y=293 z=167;bmp085 temp=152 pa=100137;^2R=28:D:9:DC:2:0:0:FB CRC=2 C=12.50 F=54.50;A:x=315 y=312 z=174;bmp085 temp=152 pa=100140;^1R=28:14:25:DC:2:0:0:EF CRC=36 C=9.31 F=48.76;A:x=298 y=295 z=172;bmp085 temp=152 pa=100145;^2R=28:D:9:DC:2:0:0:FB CRC=59 C=12.56 F=54.61;A:x=314 y=310 z=173;bmp085 temp=152 pa=100156;^1R=28:14:25:DC:2:0:0:EF CRC=37 C=9.37 F=48.87;A:x=301 y=295 z=164;bmp085 temp=152 pa=100153;^2R=28:D:9:DC:2:0:0:FB CRC=59 C=12.56 F=54.61;A:x=326 y=346 z=157;bmp085 temp=151 pa=100140;^1R=28:14:25:DC:2:0:0:EF CRC=37 C=9.37 F=48.87;A:x=306 y=306 z=172;bmp085 temp=151 pa=100134;^2R=28:D:9:DC:2:0:0:FB CRC=58 C=12.62 F=54.72;A:x=325 y=336 z=172;bmp085 temp=151 pa=100145;^1R=28:14:25:DC:2:0:0:EF CRC=1B C=9.25 F=48.65;A:x=302 y=328 z=190;bmp085 temp=151 pa=100137;^2R=28:D:9:DC:2:0:0:FB CRC=58 C=12.62 F=54.72;A:x=334 y=341 z=195;bmp085 temp=151 pa=100122;^1R=28:14:25:DC:2:0:0:EF CRC=19 C=9.12 F=48.42;A:x=317 y=291 z=183;bmp085 temp=150 pa=100125;^2R=28:D:9:DC:2:0:0:FB CRC=4E C=12.68 F=54.82;A:x=331 y=316 z=190;bmp085 temp=150 pa=100140;^1R=28:14:25:DC:2:0:0:EF CRC=7 C=8.68 F=47.62;A:x=317 y=300 z=170;bmp085 temp=150 pa=100128;^2R=28:D:9:DC:2:0:0:FB CRC=4E C=12.68 F=54.82;A:x=319 y=315 z=179;bmp085 temp=151 pa=100150;^1R=28:14:25:DC:2:0:0:EF CRC=62 C=8.31 F=46.96;A:x=300 y=303 z=184;bmp085 temp=150 pa=100153;^2R=28:D:9:DC:2:0:0:FB CRC=5A C=12.75 F=54.95;A:x=328 y=318 z=170;bmp085 temp=150 pa=100162;^1R=28:14:25:DC:2:0:0:EF CRC=5B C=8.18 F=46.72;A:x=306 y=291 z=165;bmp085 temp=150 pa=100171;^2R=28:D:9:DC:2:0:0:FB CRC=5A C=12.75 F=54.95;A:x=313 y=307 z=173;bmp085 temp=150 pa=100162;^1R=28:14:25:DC:2:0:0:EF CRC=4F C=8.25 F=46.85;A:x=297 y=296 z=171;bmp085 temp=150 pa=100153;^2R=28:D:9:DC:2:0:0:FB CRC=77 C=12.81 F=55.06;A:x=312 y=306 z=174;bmp085 temp=149 pa=100156;^1R=28:14:25:DC:2:0:0:EF CRC=62 C=8.31 F=46.96;A:x=298 y=292 z=165;bmp085 temp=149 pa=100165;^2R=28:D:9:DC:2:0:0:FB CRC=5A C=12.75 F=54.95;A:x=314 y=307 z=175;bmp085 temp=149 pa=100162;^1R=28:14:25:DC:2:0:0:EF CRC=62 C=8.31 F=46.96;A:x=298 y=291 z=167;bmp085 temp=149 pa=100159;^2R=28:D:9:DC:2:0:0:FB CRC=77 C=12.81 F=55.06;A:x=318 y=307 z=175;bmp085 temp=149 pa=100170;^1R=28:14:25:DC:2:0:0:EF CRC=63 C=8.37 F=47.07;A:x=296 y=290 z=167;bmp085 temp=149 pa=100168;^2R=28:D:9:DC:2:0:0:FB CRC=77 C=12.81 F=55.06;A:x=315 y=307 z=174;bmp085 temp=149 pa=100170;^1R=28:14:25:DC:2:0:0:EF CRC=63 C=8.37 F=47.07;A:x=303 y=281 z=168;bmp085 temp=149 pa=100173;^2R=28:D:9:DC:2:0:0:FB CRC=76 C=12.87 F=55.17;A:x=306 y=314 z=167;bmp085 temp=148 pa=100159;^1R=28:14:25:DC:2:0:0:EF CRC=75 C=8.43 F=47.17;A:x=299 y=290 z=166;bmp085 temp=148 pa=100162;^2R=28:D:9:DC:2:0:0:FB CRC=76 C=12.87 F=55.17;A:x=308 y=311 z=175;bmp085 temp=148 pa=100176;^1R=28:14:25:DC:2:0:0:EF CRC=75 C=8.43 F=47.17;A:x=298 y=299 z=180;bmp085 temp=148 pa=100162;^2R=28:D:9:DC:2:0:0:FB CRC=76 C=12.87 F=55.17;A:x=312 y=307 z=176;bmp085 temp=148 pa=100168;^1R=28:14:25:DC:2:0:0:EF CRC=4B C=8.50 F=47.30;A:x=295 y=292 z=167;bmp085 temp=148 pa=100153;^2R=28:D:9:DC:2:0:0:FB CRC=60 C=12.93 F=55.27;A:x=311 y=309 z=180;bmp085 temp=148 pa=100170;^1R=28:14:25:DC:2:0:0:EF CRC=10 C=8.56 F=47.41;A:x=295 y=294 z=173;bmp085 temp=148 pa=100159;^2R=28:D:9:DC:2:0:0:FB CRC=60 C=12.93 F=55.27;A:x=315 y=307 z=179;bmp085 temp=147 pa=100156;^1R=28:14:25:DC:2:0:0:EF CRC=10 C=8.56 F=47.41;A:x=295 y=291 z=167;bmp085 temp=147 pa=100159;^2R=28:D:9:DC:2:0:0:FB CRC=60 C=12.93 F=55.27;A:x=312 y=307 z=175;bmp085 temp=147 pa=100168;^1R=28:14:25:DC:2:0:0:EF CRC=10 C=8.56 F=47.41;A:x=298 y=294 z=165;bmp085 temp=147 pa=100159;^Sunday, October 16, 2011 37
  57. 57. So what?Sunday, October 16, 2011 38
  58. 58. 10 MPH up, 245 MPH down! 9 MPH at landing though, *phew*.Sunday, October 16, 2011 39
  59. 59. BlinkenlichtenSunday, October 16, 2011 40
  60. 60. Sunday, October 16, 2011 41
  61. 61. Show-n-tellSunday, October 16, 2011 42
  62. 62. Picture TimeSunday, October 16, 2011 43
  63. 63. Us!Sunday, October 16, 2011 44
  64. 64. Kentucky LakeSunday, October 16, 2011 45
  65. 65. Oooooo, airplanes! Pretty!Sunday, October 16, 2011 46
  66. 66. Oooooo, airplanes! Pretty close too!!!Sunday, October 16, 2011 47
  67. 67. Curvature and space!Sunday, October 16, 2011 48
  68. 68. NashvilleSunday, October 16, 2011 49
  69. 69. Chattanooga, Manchester and McMinnville.Sunday, October 16, 2011 50
  70. 70. Nashville, LaVergne, Cool Springs and Franklin.Sunday, October 16, 2011 51
  71. 71. MurfreesboroSunday, October 16, 2011 52
  72. 72. Hey! That’s above us!Sunday, October 16, 2011 53
  73. 73. Oooooo, airplanes! Pretty!Sunday, October 16, 2011 54
  74. 74. Landing spot!Sunday, October 16, 2011 55
  75. 75. Oooooo, airplanes! Pretty!Sunday, October 16, 2011 56
  76. 76. Movie TimeSunday, October 16, 2011 57
  77. 77. Sunday, October 16, 2011 58
  78. 78. Sunday, October 16, 2011 59
  79. 79. Sunday, October 16, 2011 60
  80. 80. Sunday, October 16, 2011 61
  81. 81. Sunday, October 16, 2011 62
  82. 82. Sunday, October 16, 2011 63
  83. 83. GotchasSunday, October 16, 2011 64
  84. 84. Gotchas • Testing, testing, testing...Sunday, October 16, 2011 64
  85. 85. Gotchas • Testing, testing, testing... • Don’t get too excitedSunday, October 16, 2011 64
  86. 86. Gotchas • Testing, testing, testing... • Don’t get too excited • Low windSunday, October 16, 2011 64
  87. 87. Gotchas • Testing, testing, testing... • Don’t get too excited • Low wind • Plan for failure - it’s still learning!Sunday, October 16, 2011 64
  88. 88. Thanks to... • Emma • Marc Powell • Jared Cluff • Multitude of GroupiesSunday, October 16, 2011 65
  89. 89. Questions? • Slide material, pics, videos to be posted later today... • http://mybrainhurts.com/blog/ • #bcn11space • @n8fooSunday, October 16, 2011 66

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