Jakub f5abed06b8 Settings: add buzzer volume control (5 levels, like brightness) ...

- NodePrefs: add buzzer_volume field (0=min..4=max, default 4)
- DataStore: persist buzzer_volume at end of prefs file (backward-compat)
- buzzer: setVolume()/getVolume(); applyVolume() sets PWM duty cycle via
  analogWrite() after each rtttl::play() call to control output amplitude
- Settings UI: new BzrVol bar item in Sound section (left/right to adjust)
- UITask: apply saved volume on startup alongside brightness

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-05-12 09:17:37 +02:00

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companion_radio

Settings: add buzzer volume control (5 levels, like brightness)

2026-05-12 09:17:37 +02:00

kiss_modem

simplify kiss noise floor sampling

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Merge pull request #1297 from ViezeVingertjes/feature/duty-cycle-token-bucket

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2026-04-17 16:30:19 +10:00