3 ms·
> Another benefit is that DC LED bulbs are by definition flicker-free, and also low consumption (4-6 watts each) but bright. You still need PWM to control brig
by sebazzz 7y ago
> Another benefit is that DC LED bulbs are by definition flicker-free, and also low consumption (4-6 watts each) but bright.
You still need PWM to control brightness, no? I'd you're using resistors efficiency goes down a lot.
- manicpolymath 7y agoSure, but if starting with DC you can pulse on the order of hundreds if not thousands of Hz instead of 50/60Hz, which shouldn’t be noticeable.