STM32 Development Boards (literally) Falling From The Sky
Mark Jessop, Michaela Wheeler
https://2019.linux.conf.au/schedule/p...
Radiosondes are scientific instruments carried aloft under weather balloons to measure characteristics of the upper atmosphere. Thousands of these devices are launched around the world on a daily basis, and are generally left to litter the countryside wherever they land.
Using a low cost software-defined radio, a Raspberry Pi, and all open-source software, it is possible to decode signals from these devices. You can then track their flight path, collect the weather data they transmit, and even recover and repurpose them!
This talk will cover the development and worldwide use of the radiosonde_auto_rx project, and how we have been re-purposing Vaisala RS41 radiosondes for use on our own high-altitude balloon flights.
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