Specification:
Item Type: Servo Motor Driver
Material: Resin
Size: Approx. 62 x 25 x 2mm / 2.44 x 0.98 x 0.08in
Model: PCA9685
Operating Voltage Range: 2.3V to 5.5V
Operating Temperature: Can work in the environment of minus 40 degrees Celsius to 85 degrees Celsius.

Package List:
1 x Servo Motor Driver
6 x Pin Header
1 x Connecting Base

How to Use:
1.1MHz fast mode Plus compatible I2C bus interface with 30mA high drive capability on SDA to drive high capacitive buses.
2. Each LED output can achieve 4096 level (12 bit) linearly programmable brightness from fully off (default) to maximum brightness.
3. 16 push pull outputs that can be software programmed as open drain LED output selection (default is push pull) (can sink 25mA sink current and provide 10mA source current at 5V), no input function.
4. Output state can be programmed to change on answer or stop command to update all outputs simultaneously or byte by byte (default stop command change).
5. Low active output enable input pin, when the pin is high, the LED output can be programmed to 0, 1 or high impedance state (power on default is high impedance state).
6. 6 hardware address pins allow up to 62 PCA9685 devices on the same I2C bus.
7. The LED output frequency (all LEDs) is usually 40Hz to 1000Hz (when the oscillator is 25MHz, the prescaler register default value of 1EH will produce a refresh frequency of 200Hz).