this post was submitted on 18 Nov 2023
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Free and Open Source Software

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If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.


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Inspired by this Mastodon account, I programmed an ESP8266 microcontroller to act as a traffic light, indicating the current electricity mix. Check it out on Codeberg! It uses an API from the Fraunhofer Institute and the parts cost around 5€. In my shared flat we use it as an indicator on when to run demanding devices, like the washing machine.

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