PWM is the only sensible way to drive an LED, so you're out of luck on that score. Of course the period can be in the kilohertz range were you'll never see it.
If that's true in Finland which I don't doubt I suggest that is a reflection of the very different built environment of that country compared to the USA. In the USA there have been several studies on the question and…
People who arrive by car spend less, not more. Rather than reflecting the luxurious lifestyle of its owner cars are burdens to most people.
PWM is the only sensible way to drive an LED, so you're out of luck on that score. Of course the period can be in the kilohertz range were you'll never see it.
If that's true in Finland which I don't doubt I suggest that is a reflection of the very different built environment of that country compared to the USA. In the USA there have been several studies on the question and…
People who arrive by car spend less, not more. Rather than reflecting the luxurious lifestyle of its owner cars are burdens to most people.