16 CHANNEL 12BIT PWMSERVO DRIVERI2C INTERFACE PCA9685 MODULE
Sepcifications
5V compliant, and still talks to a 3.3V microcontroller.
6 “address select” pins for configuring up to 62 ICs on a single I2C bus
PWM frequency adjustable up to approximately 1.6kHz
12-bit frequency resolution (equates to about 4µs resolution at 60Hz refresh rate)
Configurable as push-pull or open-drain output