Flicker sucks, but LEDs are much more efficient when driven hard. So PWM is much more energy efficient for a given luminosity. That being said, if you're not o

Flicker sucks, but LEDs are much more efficient when driven hard. So PWM is much more energy efficient for a given luminosity. That being said, if you're not on battery power, we're talking negligible energy. So, put a current source in there and stop giving me a seizure with your flicker.