Sound

PLAY

It is possible to play sounds. In the Setup/Peripheral menu, you must configure the speaker or piezo. In Open-Drain mode, the speaker should be connected between the pin and 3.3 V, or 5 V for higher volume. LOW/HIGH represents the inactive state.

PLAY(RTTTL)#mario.txt
This command plays Ring Tone Text Transfer Language (RTTTL) files developed by Nokia from storage. The installer includes ~12,000 ready-made files in the peripherals/SOUND/RTTTL folder.

PLAY(WAV)#pcm0808m.wav
This command plays .wav files from storage. Works only on the RX pin!!! It is not included in the Lite version!!! This is a hardware limitation.
It is recommended to use mono 8-bit 8kHz format. A converter program is included in the installer under peripherals/SOUND/WAV/sox.
Usage: sox input.mp3 -r 8000 -c 1 -b 8 output.wav

PLAY!
Stops playback.

PLAY:LED(FLASH)
When the music ends, this command is executed (LED flashes).

BEEP

BEEP(432)
Generates a sound at 432Hz frequency.

BEEP!
Stops the beep.

NUM[0]=1000|
NUM[1]=2000
BEEP(NUM[0],NUM[1])
Generates a 1kHz beep for two seconds.