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MakerDoIt PCA9685 Integrated Circuits (16 Channel 12-bit PWM) Servo Motor Driver Board for Arduino
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About MakerDoIt PCA9685 Integrated Circuits
What is servo-PCA9685? How to connect PCA9685? Driving servo motors with the Arduino Servo library is pretty easy, but each one consumes a precious pin - not to mention some Arduino processing power. The 16-Channel 12-bit PWM/Servo Driver will drive up to 16 servos over I2C with only 2 pins. The onboard PWM controller will drive all 16 channels simultaneously with no additional Arduino processing overhead. What's more, you can chain up to 62 of them to control up to 992 servos - all with the same 2 pins! 💡Note: The VCC pin is just power for the chip itself. If you want to connect servos or LEDs that use the V+ pins, you MUST connect the V+ pin as well. The V+ pin can be as high as 6V even if VCC is 3.3V (the chip is 5V safe). We suggest connecting power through the blue terminal block since it is polarity protected. It is not a good idea to use the Arduino 5v pin to power your servos. Electrical noise and 'brownouts' from excess current draw can cause your Arduino to act erratically, reset or overheat.
