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16-Channel 12-bit PWM Servo Driver - PCA9685

16-Channel 12-bit PWM Servo Driver - PCA9685

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SKU:MLE00428

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16-Channel 12-bit PWM Servo Driver - PCA9685

Using only two pins, control 16 free-running PWM outputs! You can even chain up 62 breakouts to control up to 992 PWM outputs.

  • It's an i2c-controlled 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 microcontroller, its completely free running!
  • It is 5V compliant, 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)
  • 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

Includes:

  • 4 pieces of 3x4 male straight header (for servo/LED plugs)
  • 2-pin terminal block (for power)
  • 6-pin 0.1" header

Specifications:

  • Dimensions (no headers or terminal block) 2.5" x 1" x 0.1" (62.5mm x 25.4mm x 3mm)
  • Weight (no headers or terminal block): 5.5grams
  • Weight (with 3x4 headers & terminal block): 9grams
  • This board/chip uses I2C 7-bit address between 0x60-0x80, selectable with jumpers

Downloads: PCA9685 datasheet

Tutorial: Adafruit 16-Channel Servo Driver with Arduino