• Adafruit 16-Channel 12-bit PWM/Servo Driver I2C Interface

You want to make a cool robot, maybe a hexapod walker? Or maybe you want to drive a lot of LEDs with precise PWM output. Using the board, with only two pins, you can 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. 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.

Features

  • 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
  • Reverse polarity protection on the terminal block input
  • 3 pin connectors in groups of 4 so you can plug in 16 servos at once
  • A spot to place a big capacitor on the V+ line (in case you need it)
  • 220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial

Part List

  • 1x breakout board fully assembled
  • 4x 3x4 male straight header
  • 1x 1x6 male straight header
  • 1x 2-pin terminal block

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Adafruit 16-Channel 12-bit PWM/Servo Driver I2C Interface

  • 12.83€ Euro 11.12€ Euro

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