Hi I thank you very much, reading and almost sleeping with the PCA9685 Datasheet, I would never have been successful :evil: Your Tips were the fantastic, but how can one know that one must NOTAKN after the first 2 bytes. I have many i2c applications running without any problems, so I thought to be e...

Hi I have the same problems with the PCA9685 i2c communication. With my Oscilloscope and the i2c decoder, I can see that the data's I send are properly received from the slave, but nothing happens. I used the Data for the 4 register LED0_xx according the Data sheet Example1 on page 17. Register Mode...