16 Channel 12bit PWM Servo Drive, I2C PCA9685 R2

Rated 2.50 out of 5 based on 2 customer ratings
(2 customer reviews)


SKU: SDR1062 Category: Tags: , ,


Using only two pins, control 16 free-running PWM outputs!

You can even chain up 62 breakout board to control up to 992 PWM outputs (which we would really like to see since it would be glorious)

  • IIC input interface, PWM driver with a built in clock. That means that, unlike the TLC5940 family, you do not need to continuously send it signal tying up your MCU, its completely free running!
  • Logic power supply 5V, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)
  • Chain able design, 6 address select pins, so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs – that’s a lot of servos or LEDs
  • Adjustable frequency PWM up to about 1.6 KHz
  • 12-bit resolution for each output – for servos, that means about 4us resolution at 60Hz update rate
  • Configurable push-pull or open-drain output
  • Output enable pin to quickly disable all the outputs
  • On board 220ohm resistors can drive for LED output.

R2 version use network resitor, optimized board layout.

Add two extra pins V+ and VCC, can short connect to use same power.

Documentation please see on this page.

Additional information

Weight 0.02 kg

2 reviews for 16 Channel 12bit PWM Servo Drive, I2C PCA9685 R2

  1. Rated 2 out of 5

    takispeppas (verified owner)

    The board needs a revision in order to correct a bug. The area where both the power LED resistor and the PCA9685’S EXTCLK pins are connected through a via should also be connected to GND, but it isn’t. Please see photo for quick patch. So the LED fails to light and EXTCLK is not grounded.

  2. Rated 3 out of 5


    Hi, indeed there is a problem of the board, we are working on fix it. Thanks for the feedback!

Add a review

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Product Enquiry