This balloon is built around a RP2040, and the firmware is written in TinyGo, a version of Go language for microcontroller use. As is fitting for a hacker group, both the software and hardware are open source. Don’t expect custom PCBs though, as it’s a thoroughly protoboarded build. But a few off-the-shelf modules will get you the same hardware that just flew a 400km route! For build experiences, there’s also a few tweets from the people involved, and a launch video, also embedded below.
This reminds us of the Supercon 2022 balloon story — darn copycats! If you’re interested in the more Earthly details of this year’s FOSDEM open source development conference, check out our recent coverage.
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