I am a beginner and just laying out my project. I have not done any codeing with addresses before.
This is image of 4 rgb lights attached to PCA9685
Its attached to arduino nano.
My question is am i capable to have an additional RGB light so I have 5 total just by scooting all the wire hookups to the left?
It means for example the red wire for 4 would just be moved over to 3.
The rest scoot over to the left.
I dont know if the fact that the hook ups are organized in groups of 4.
ie 0 1 2 3 and 4 5 6 7 etc is important.
Hope this makes sense. Thanks
The board can provide up to 16 PWM outputs and it does not matter which channels are used as long as the programming matches the connections so feel free to do as you describe
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You can do that if you want and then change all of your code. From what I can tell you have 4 pwm pins left so why not use them? Here is a link to the data sheet: https://www.nxp.com/docs/en/data-sheet/PCA9685.pdf
No, the board designer probably did this to make room for the power/signal traces.
The chip pins are just numbered 0-15.
There are already 220 ohm resistors in series with the PWM pins on those boards.
You now have 440 ohm resistors in series with the LEDs, which is maybe safer, because the chip should not source more than 10mA per PWM output, or 400mA for the whole chip.
Why don't you use addressable LEDs.
Leo..
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