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16 Channel 12-bit PWM/Servo Module - I2C interface

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Product Description

This modules uses the PCA9685 PWM chip to control up to 16 servos at once using the i2c protocol. Apart from using only 2 i2c pins on an arduino this module sends the servos constant pulses using a built-in clock. This eliminates the timing problems commonly associated with the native servo library. 


  • 62mm x 26mm
  • i2c address selectable by shorting out jumpers (default address: 0x40)
  • Built-in 1000uF capacitor on the power line

Installing the Library

Connecting the module to an Arduino

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