Nice video of a cool experiment where they programmed an Arduino Uno to continuously blink an LED, and then sent it up exposed to the sun and cold on a high altitude balloon. They used the visual programming language XOD, which I've been experimenting with lately.

@Sylphox I've been enjoying XOD. It lets you focus on what you want to build rather than the symantics of a text based language. Not a fit for every use case, but it's really nice.

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Makerdon is a Mastodon instance focused on Makers, Open Source Hardware (OSHW) and STEM/STEAM. Free and Open Source Software (FOSS) is a likely topic as well. If you're interested in making things, allowing others to build on your work, and/or teaching others about making things, you might like this instance.