![EEVblog show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/032/072/small/eevblog-the-electronics-engineering-video-blog.jpg)
Summary: Hackable STM32 based ARM RF dev boards are literally falling from the sky! A teardown of two weather balloon Vaisala radiosondes, the RS41 and RS92. Repurposing tre RS41: http://www.om3bc.com/docs/rs41/rs41_en.html Github: https://github.com/bazjo Paper on capacitive humidity sensors: https://pdfs.semanticscholar.org/0728/24b548d91516d765c4b7facdceb350d61cdd.pdf