1. BalloonSat Flight Computer LCANS 2007

2. Your Father’s BalloonSat…

3. …Replaced With This

5. Comparisons Hobo and Timer Flight Computer Fixed sample rate 8-bit resolution Hundreds of kb memory Four sensors max No programmable camera control No digital control Variable sample rate 8-bit resolution 1kb of memory Six sensors max Programmable camera control Digital control

6. Programmed in PBASIC

7. Interfacing Sensors and a Camera

8. Inside a NearSys BalloonSat Airframe

9. Power and Flight Commit Panel

10. In Development LED Photometer Geiger Counter BalloonSat Constellation

11. Questions?

12. Useful Nuts and Volts Articles November 2004 - Hack a Pencam for Near Space January 2005 - Hack Cell Phone Batteries for Hobbyist Use March 2005 - Modify Your Camera for Digital Control May 2005 - Thermal Test Chamber July 2005 – BalloonSats November 2006 – The BalloonSats Flight Computer January 2007 – BalloonSats, PongSats, and the Idaho Cluster Bomb