dragino / TrackerD

For Dragino TrackerD, which support GPS+WiFi+BLE+TEMP+HUM+ motion
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Add alarm melody function for buzzer #10

Closed Aciid closed 1 year ago

Aciid commented 1 year ago

Just a fun addition to replace standard PWM buzzer with any musical melody. Maybe you find some use of this and use a company tune or a general alarm tone.

Old ringtones from mobile phones in RTTTL text-format format are a good start https://picaxe.com/rtttl-ringtones-for-tune-command/

Commits tested and works.

Cheers.