Space Balloon BarCamp Nashville

So I Sent This Balloon Into Space...

#bcn11space

1Sunday, October 16, 2011

So I Sent This Balloon Into Space...

That’s Nashville!

#bcn11space

2Sunday, October 16, 2011

WTF

3Sunday, October 16, 2011

FAQ

4Sunday, October 16, 2011

FAQ• Why?

4Sunday, October 16, 2011

FAQ• Why?

• How high?

4Sunday, October 16, 2011

FAQ• Why?

• How high?

• Isn’t it like {cold,hot} up there?

4Sunday, October 16, 2011

FAQ• Why?

• How high?

• Isn’t it like {cold,hot} up there?

• Where did it go?

4Sunday, October 16, 2011

FAQ• Why?

• How high?

• Isn’t it like {cold,hot} up there?

• Where did it go?

• Is that legal?

4Sunday, October 16, 2011

FAQ• Why?

• How high?

• Isn’t it like {cold,hot} up there?

• Where did it go?

• Is that legal?

• Cost?

4Sunday, October 16, 2011

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...

4Sunday, October 16, 2011

Why?

5Sunday, October 16, 2011

Why?

• Space is awesome!

5Sunday, October 16, 2011

Why?

• Space is awesome!

• Kinda easy now. Kinda.

5Sunday, October 16, 2011

Why?

• Space is awesome!

• Kinda easy now. Kinda.

• Epic Geek Show off at Talent Night

5Sunday, October 16, 2011

6Sunday, October 16, 2011

7Sunday, October 16, 2011

8Sunday, October 16, 2011

Talent Night Video

9Sunday, October 16, 2011

10Sunday, October 16, 2011

How high did it go?

11Sunday, October 16, 2011

How high did it go?

• In short, as high as we told it to.

11Sunday, October 16, 2011

How high did it go?

• In short, as high as we told it to.

• But how do we *know* how high it went?

11Sunday, October 16, 2011

http://en.wikipedia.org/wiki/Atmospheric_pressure

12Sunday, October 16, 2011

http://www.csgnetwork.com/pressurealtcalc.html

Uh, yeah. Google!

13Sunday, October 16, 2011

0.93% ATMNo air.

14Sunday, October 16, 2011

How high up did it go?102,496 feet or almost 20 miles!

15Sunday, October 16, 2011

Wasn’t it cold? Or Hot? Or something?

16Sunday, October 16, 2011

Totally.

Space is pretty unforgiving...

17Sunday, October 16, 2011

-60F!Very cold

18Sunday, October 16, 2011

Where did it go?

19Sunday, October 16, 2011

http://habhub.org/predict

20Sunday, October 16, 2011

Predicted

~100 miles

21Sunday, October 16, 2011

Actual

137 miles

22Sunday, October 16, 2011

Recovery Path = 178mi

23Sunday, October 16, 2011

Is that Legal?

24Sunday, October 16, 2011

Yes. Kinda.

• Less than 4lb (1500g)

• Not too dense (< 3oz per sq inch)

• Rope < 50lb strength

25Sunday, October 16, 2011

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/NOTAM

26Sunday, October 16, 2011

What’d it cost?

27Sunday, October 16, 2011

Item Cost Weight (g)

arduino nano 168 $0 62x6in proto board $3 64GB Micro SD Card $82x 555 TS555CN Timers $24x AA-Battery USB pack $8 145openlog sd-card logger $25MMA7260 Accelerometer $10Humirel Humidity Sensor + Parts $20Humidity Sensor Proto Board $232x DS18B20 Digital Temperature Sensor $5LED LightsInstamapper $0 0Styrofoam Container $0 266Motorola iDEN phone i465 $0 99Video Camera 1 $111 100StillCamera 1 - goPro $0 139Still Camera 2 - Canon A540 $0 235Parachute - 48" $27Cording (50lb ~60')Spot $0 209Balloon x 2 $232Helium x 2 $161Pressure Regulator $75Filling Hose $15Kapton Tape to seal the box.Totals $709.90 1,206Allowance 1500Delta -293.99

28Sunday, October 16, 2011

Geek Time

29Sunday, October 16, 2011

Arduino Web Site

30Sunday, October 16, 2011

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

• Accelerometer

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

• Accelerometer

• Internal Temp Sensor

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

• Accelerometer

• Internal Temp Sensor

• External Temp Sensor (1 wire)

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

• Accelerometer

• Internal Temp Sensor

• External Temp Sensor (1 wire)

• Open Data Logger

Flight Computer

31Sunday, October 16, 2011

• Arduino Nano 168

• Barometric Pressure Sensor

• Accelerometer

• Internal Temp Sensor

• External Temp Sensor (1 wire)

• Open Data Logger

• LED Safety Lights

Flight Computer

31Sunday, October 16, 2011

Arduino Nano 168 Based32Sunday, October 16, 2011

#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(";");}

33Sunday, October 16, 2011

// Calculate temperature given ut.// Value returned will be in units of 0.1 deg Cshort 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); }

34Sunday, October 16, 2011

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");

35Sunday, October 16, 2011

Which produced....

36Sunday, October 16, 2011

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;^

37Sunday, October 16, 2011

So what?

38Sunday, October 16, 2011

10 MPH up, 245 MPH down!9 MPH at landing though, *phew*.

39Sunday, October 16, 2011

Blinkenlichten

40Sunday, October 16, 2011

41Sunday, October 16, 2011

Show-n-tell

42Sunday, October 16, 2011

Picture Time

43Sunday, October 16, 2011

Us!

44Sunday, October 16, 2011

Kentucky Lake

45Sunday, October 16, 2011

Oooooo, airplanes! Pretty!

46Sunday, October 16, 2011

Oooooo, airplanes! Pretty close too!!!

47Sunday, October 16, 2011

Curvature and space!

48Sunday, October 16, 2011

Nashville

49Sunday, October 16, 2011

Chattanooga, Manchester and McMinnville.

50Sunday, October 16, 2011

Nashville, LaVergne, Cool Springs and Franklin.

51Sunday, October 16, 2011

Murfreesboro

52Sunday, October 16, 2011

Hey! That’s above us!

53Sunday, October 16, 2011

Oooooo, airplanes! Pretty!

54Sunday, October 16, 2011

Landing spot!

55Sunday, October 16, 2011

Oooooo, airplanes! Pretty!

56Sunday, October 16, 2011

Movie Time

57Sunday, October 16, 2011

58Sunday, October 16, 2011

59Sunday, October 16, 2011

60Sunday, October 16, 2011

61Sunday, October 16, 2011

62Sunday, October 16, 2011

63Sunday, October 16, 2011

Gotchas

64Sunday, October 16, 2011

Gotchas

• Testing, testing, testing...

64Sunday, October 16, 2011

Gotchas

• Testing, testing, testing...

• Don’t get too excited

64Sunday, October 16, 2011

Gotchas

• Testing, testing, testing...

• Don’t get too excited

• Low wind

64Sunday, October 16, 2011

Gotchas

• Testing, testing, testing...

• Don’t get too excited

• Low wind

• Plan for failure - it’s still learning!

64Sunday, October 16, 2011

Thanks to...

• Emma

• Marc Powell

• Jared Cluff

• Multitude of Groupies

65Sunday, October 16, 2011

Questions?

• Slide material, pics, videos to be posted later today...

• http://mybrainhurts.com/blog/

• #bcn11space

• @n8foo

66Sunday, October 16, 2011