BalloonSat Flight Computer

LCANS 2007

Your Father’s BalloonSat…

…Replaced With This

ComparisonsHobo 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

Programmed in PBASIC

Interfacing Sensors and a Camera

Inside a NearSys BalloonSat Airframe

Power and Flight Commit Panel

In Development

LED Photometer

Geiger Counter

BalloonSat Constellation

Questions?

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