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cewbdex avatar cewbdex commented on May 19, 2024

Není to dobré řešení, ale fungovalo mi jen s jedním pinem na low a použít funkci ledc (není na AVR). Chtělo by to port knihovny ToneAC.

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cewbdex avatar cewbdex commented on May 19, 2024

Navrhuji zavřít, issue přesunut do RoboticsBrno/ArduinoLearningKitStarter-library#11

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yaqwsx avatar yaqwsx commented on May 19, 2024

ToneAC dělá to, že na půl periody nastaví jednu nožičku na low a druhou na high a pak je prohodí. Díky tomu má piezo dvakrát tak velký rozkmit a je hlasitější.

To samé by mělo být možné udělat na ESPčku - nevím, jestli ledc umí invertovat pin nebo ne. Pokud ano, tak stačí nastavit oběma nožičkám PWM na 50 % a jeden pin invertovat. Pokud ne, tak by to mohly umět timery pro řízení motorů.

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