Low-powered beacon transmitter/receiver which can be used either on its own or in addition to libquiet. The transmitter creates a simple sine tone at a specified frequency, and the receiver uses the Goertzel Algorithm to detect the presence of the tone with complexity O(n) for n samples.
isabella232 / quiet-beacon Goto Github PK
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Low-powered tone emitter and detector
License: BSD 3-Clause "New" or "Revised" License