Hey guys,
i would like to dim a few LED's with this Current Regulator
To control it, i want to use the Arduino with its PWM pins. I never did something like this before and i can't find any datasheet of the device so i could use your experience in this.
In the ebay description it says, that the pwm frequency is (should or must be?) 100-300 hz.
The arduino (nano) gives me a frequency of 490 hz without modifying the timers and with it the whole timing of everything so i would like to not change it.
Is it therefore possible to operate the Converter out of PWM specs by about 60%?
What could be the downsides of this (lower efficiency, non working, damaging the driver, ...)?
And i am aware that no one could give me an answer being 100% sure. I just want to know what your guts saying.
greetings from germany and thanks for your help
Felix
Do you have the board? Did you look up the chip? You can probably find a datasheet about it.
And why is it a problem to modify a timer? Okay, if the 100Hz is reflected in the light itself it's terrible 
Well, it did not arrive yet and i can't read the letters on the chip from the ebay picture.
Why i don't want to change the speed? Here it says it changes stuff like sleep or millis.
EDIT:
I found the main chip of a converter with the same specs. This is the main chip, but i seems not to have a direct pwm controll input. So maybe they regulate it with connecting the boards pwm line to the enable pin and turn it just on and off with 100 - 300 hz? Thats kinda bad i think... especially if want to do this at 490 hz. Any other thoughts on this? If it is really working like this, i will have to change the timers...
Only Timer0 is for the timing. So changing timer1 and timer2 is not a problem 
And if you use a servo for example timer1 is already changed (that's why you lose the PWM on two pins).
Ah ok thank you very much.
That wasn't that clear out of the information i found online. Then i will just change the timer.