4 ms·
Good point. But there's no reason for the PWM to be in the 100 Hz range either. Even the crappest possible microcontroller using timer interrupts could handle 1
by abainbridge 9y ago
Good point. But there's no reason for the PWM to be in the 100 Hz range either. Even the crappest possible microcontroller using timer interrupts could handle 1000 Hz. Hardware PWM peripherals (that can switch at 500 KHz) have been trivially cheap additions to microcontrollers for decades.
- colanderman 9y agoIt's likely not for dimming but for reducing power usage without reducing apparent brightness. See my comment sibling to yours.