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by yangsezong
Tue Oct 17, 2017 8:38 am
Forum: Electrics Forum
Topic: Why Do I Fail to Switch the LED Colors When I Turn off/on PCA9685?
Replies: 0
Views: 2076

Why Do I Fail to Switch the LED Colors When I Turn off/on PCA9685?

I have a PCA9685 IC connected to I2C of cubieboard like board. Also OE pin is connected to one GPIO pin. I'm using I2C tools to communicate with PCA9685, I can read/write to registers without any problems, but changes I do to registers does not take effect, LEDs don't change them state. There are 4 ...
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