A recording altimeter for hobby rocketry Keith Packard keithp@keithp.com 2014 Keith Packard This document is released under the terms of the Creative Commons ShareAlike 3.0 license. 1.3.2 12 February 2014 Add a "Download" button to the main window, which makes it quicker to access the download function. Update the data download documentation to reflect the new MicroPeak USB adapter design. Monitor data during download to let you see if the USB connection is working at all by showing the characters received from the MicroPeak USB adapter. 1.2 20 January 2013 Add documentation for the MicroPeak USB adapter board. Note the switch to a Kalman filter for peak altitude determination. 1.1 12 December 2012 Add comments about EEPROM storage format and programming jig. 1.0 18 November 2012 Updates for version 1.0 release. 0.1 29 October 2012 Initial release with preliminary hardware.