Looking for way to modulate MP3 file with 40khz

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a2dp-bluetooth stream-i2s stream-analog Serial sd-card

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  • arduino-audio-tools

    Arduino Audio Tools (a powerful Audio library not only for Arduino)

    • I have already successfully generated a fairly good 40khz sine wave with the internal DAC using this library: https://github.com/pschatzmann/arduino-audio-tools. I have also played an uploaded MP3 file, but I cannot figure out how to implement FM specifically to modulate the two waves together.

  • esp32_fmdevkit

    ESP32 Development Board for FM broadcasting. Complete DA Audio processing. The example/default Arduino firmware works as a Bluetooth Speaker (A2DP Sink). The code builds with the newest ESP32 Arduino Release.

    • Not exactly what you're looking for, but seems closely related. See if this helps you.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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