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I thank you all

ok, I could try with 4k7. I ask my question better with PCA9685AllLedOff (LEDDRV1); I turn off all LEDs. how do I have to write all-led-on registers so that they glow with 50%, for example, or do I ...

Hello again. I did not think that this topic would trigger such a discussion. First I have to apologize for my English. More than half is Google Tranlator. Of course I share my code. I did not find it ...

If the configuration was wrong, the i2c would still work. I said, extra for you, it all works when I address the led's individually but as soon as I switch off with allledoff, nothing works anymore.

of course I have a program. In the library is also a main () if you read more closely.

I have the same board. The same attitude. I say for the thousandth time that everything is going to turn on again after all. I'm not a beginner either.

I do not understand what you want. The library is running. I just add new function as well as described above.

I use the library link is indicated at the beginning of the discussion
http://www.ccsinfo.com/forum/viewtopic.php?p=226028#226028

Sorry my problem is Not the resistor. My problem is why can i Not turn all led on, After all off.

here the link to image
https://www.dropbox.com/s/8az8mo0732wjjas/Unbenannt.PNG?dl=0

pca9685_out-led0------[RV]----led------gnd

how do i add a picture here?

the library is running very well. the chip also responds to the address. I think it is not a hardware problem. I'm doing something wrong.

No, nothing. I tested that again. no result. I am with my latain at the end. There must be a way to turn everything on at the same time.

I've already tried that. nothing happens. I also can not find anything in data sheet about it. For example, I would like to turn it on again after 100%