esp32 tone

[gemforce]

Hi why not working tone in esp32 ?

sample :

tone(SOUND_PIN, 1000, 1000);
delay(1000);
noTone(SOUND_PIN)

[ESP_Sprite]

Move news > Arduino

[Cellie]

You can use:

Code: Select all

    ledcWriteTone(uint8_t channel, double freq);

Remember to first setup pwm:

Code: Select all

ledcSetup(uint8_t channel, double freq, uint8_t resolution_bits);

See:
https://github.com/espressif/arduino-es ... hal-ledc.h

Example:
https://github.com/espressif/arduino-es ... reFade.ino

More clear example:
https://techtutorialsx.com/2017/07/01/e ... -with-pwm/