Use
Power
Use the slide switch on the right side of the case to power the device on and off.
The NeoPixels light up incrementally while a power-on tune plays to indicate the device is ready to record.
Record Audio
Press the record button to start a recording. The NeoPixels turn red indicating recording is active.
Press the record button again to stop the recording.
The NeoPixel will turn yellow while the audio .WAV file is being written to the CIRCUITPY file system.
Play Audio
Press the play button to playback the recording. The NeoPixels turn green while audio is playing.
The audio will continuously loop.
Press the play button again to stop the audio.
Pitch Shift
Use the slide potentiometer to shift the pitch of the audio.
Move the fader to the left to shift the pitch down.
Move the fader to the right to shift the pitch up.
Move the fader to the center to shift to the original pitch.
Reverb
Turn the potentiometer on the left side to apply a reverb effect to the playing audio.
Turn the potentiometer to the right to increase the amount of reverb.
Turn the potentiometer to the left to decrease the reverb amount.
Page last edited July 28, 2026
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