2021-01-10 04:28 AM
2021-01-10 04:48 AM
PWM
2021-01-10 04:52 AM
How can I change PWM'S amplitude?
2021-01-10 04:53 AM
In the PWM ,I can change duty cycle and frequency but I think ,I have to change amplitude
2021-01-10 06:16 AM
Pulse-width modulation - Wikipedia
Or simply use high pwm freq and add to pin properly calculated RC and you get analog wave. For speaker drive you need add an amplifier next.