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Exploring the Evolution of BalloonSat Flight Computers: Advancements and Comparisons

This article delves into the development of BalloonSat flight computers, highlighting significant advancements from simple fixed sample rate systems to more complex models featuring variable sample rates and programmable controls. It compares two configurations: one with limited sensors and memory, and another capable of interfacing with cameras and additional sensors. The history of BalloonSats is traced through relevant articles and DIY modifications from 2004 to 2007, showcasing innovations like LED photometers and Geiger counters. Join us in exploring this fascinating journey into near-space technology!

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Exploring the Evolution of BalloonSat Flight Computers: Advancements and Comparisons

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Presentation Transcript

  1. BalloonSat Flight Computer LCANS 2007

  2. Your Father’s BalloonSat…

  3. …Replaced With This

  4. 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 ComparisonsHobo and Timer Flight Computer

  5. Programmed in PBASIC

  6. Interfacing Sensors and a Camera

  7. Power and Flight Commit Panel

  8. Inside a NearSys BalloonSat Airframe

  9. In Development LED Photometer Geiger Counter BalloonSat Constellation

  10. Questions?

  11. 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

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