PCA9685 16 Channel 12 Bit Pwm Servo Motor Driver
PCA9685 16 Channel 12 Bit Pwm Servo Motor Driver
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PCA9685 16 Channel 12 Bit Servo Motor Driver

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  • Adjustable frequency PWM up to about 1.6 KHz
  • 12-bit resolution for each output – for servos, that means about 4us resolution at a 60Hz update rate
  • Configurable push-pull or an open-drain output
  • The output enable pin to quickly disable all the outputs
  • Terminal block for power input
  • Reverse polarity protection on the terminal block input
  • Green power-good LED
  • 2-bit resolution for each output - for servos, that means about 4us resolution at 60hz update rate.
  • t'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