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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@ClearMemory041063
Musical Steganography
This uses a Pico with PWM outputs connected to a point using 10 k resistors. The point connects to ground through a parallel combination of a 10k resistor and 1 1.0 uf Capacitor.
An isolated amplifier input is connected beween the point and ground.
A USB microphone and Audacity was used to record the resulting music link is here:
EspruinoSteganography1
Files:
Steganongraphy1.js
1 Attachment