Here is how to build a $100 #balloon with #tracking, that costs the #DoD $500.000 to shoot it down.
Source: https://hackaday.com/2023/03/04/fosdem-sees-surprise-pico-balloon-event/
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 #hardware and #software are #openSource.
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