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Micro Servo Motor Mini Arduino Servo Kit for RC Helicopter Airplane Car Boat Robot Arm/Hand/Walking/Servo Door Lock Control with Cable

PCA9685 contain an I2C-controlled PWM driver with a built-in clock.
5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs.
Support using only two pins to control 16 free-running PWM outputs .

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