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The PCA9685 is an integrated circuit with I2C communication that allows the control of up to 16 channels of PWM.

It has its own built-in oscillator signal, so it can run independently without the need for continuous updating by the microcontroller.

Servo controller, 16 channels (PCA9685)

  • Control using the I2C protocol

    It has 6 pins to select addresses, so up to 62 systems can be used together, which is equivalent to up to 992 outputs.

    Adjustable PWM frequency up to 1.6kHz

    12-bit resolution for each of the outputs.

    Configurable push pull or open drain salute

    Output enable pin, for quick enable or disable of all pins.

    You can download the datasheet of the integrated circuit in this link

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