alt Hacker NewsThe project was shared as part of a talk at Graz Linux Tage. You can find it here, unfortunately it is only available in German
https://media.ccc.de/v/glt26-688-c-its-mit-einem-esp32-ampel...
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refulgentis • yesterday at 11:12 PM
Pastebin here containing AI-generated English translation, LGTM: https://pastebin.com/fK5Atwzg
Is there a link to the hardware they mention in the description?