[Runtimemicro] has the answer, at least if you are writing PWM code for the Arduino. Their free application ... You also have to specify the frequency in Hz or the period in milliseconds.

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

An Arduino isn’t worth very much unless it ... you assign up to sixteen channels to individual LEDS, specify the PWM frequency and bit-depth, and then control them by appropriately setting ...