Submitted by Andrew (not verified) on Sun, 06/29/2008 - 21:34.
The low level flicker is caused by the PWM. The off time becomes to great to trick the eye into thinking that it is actually a solid light so you actually see the modulation. You may even notice this effect in your peripheral vision as you glance across the led at higher levels.
The low level flicker is
The low level flicker is caused by the PWM. The off time becomes to great to trick the eye into thinking that it is actually a solid light so you actually see the modulation. You may even notice this effect in your peripheral vision as you glance across the led at higher levels.