Once you have the audio it is fed into a pair of XR-2211 Tone decoders. This provides just three interface pins for the Arduino to watch. The annoying noise that grabs your attention at the ...
NUREMBERG, Germany--(BUSINESS WIRE)--Arduino returns to Embedded World (11-13 March 2025) with the full power of its open-source ecosystem and a collaborative vision that welcomes partnerships ...
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