I am trying to change the PWM frequency of 328PB version from default 487 hz on pins 2, 3 to about 1 kHz.
I could have sucess on pin 3 by adding this in the setup:
TCCR2B = TCCR2B & 0b11111000 | 0x03; // 970 Hz // pino 3 a 975 hz
But no on the pin 2 that is connected to Timer 3. Also no success on pins 9 and 10 (Timer 1).
Nano 328PB have different timers.
Any help ?
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