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 # Hardware
 
-The CO2-ampel hardware.
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+Eine Co2 - Ampel - unsere Umsetzung des [Open-Source Projektes der HFT Stuttgart](https://transfer.hft-stuttgart.de/gitlab/co2ampel/ampel-firmware/)
+
+Das Wiki dazu gibt es hier https://wiki.makerlab-murnau.de/books/co2-ampel.
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