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Home / Development Boards & Control Boards / 16-Channel PWM Servo Driver Board Module Robot Controller with IIC Interface

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Chip Model PCA9685
Communication Interface I²C / TWI
PWM Channels 16 Independent Channels
Input Voltage 5V to 15V DC
PWM Resolution 12-bit (4096 steps)
Control Frequency 50Hz to 1000Hz
Board Dimensions 68mm x 26mm x 23mm
Mounting Hole Diameter 3mm
Net Weight 22g
Compatible Platforms Arduino, Raspberry Pi, ESP32

5 reviews

A

Anonymous

Apr 12, 2026

Rating: 5/5

Stable PWM Signals

No jitter observed on my servos. Stackable address pins make expanding easy.

A

Anonymous

Apr 02, 2026

Rating: 4/5

Good Value Board

Works as expected but you need to solder the headers yourself. Documentation could be clearer.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for Robot Arms

Used this for a 6-DOF arm and all servos move smoothly. The I2C connection saves so many GPIO pins.

A

Anonymous

Feb 23, 2026

Rating: 3/5

Works but Warm Under Load

The board functions well but gets warm when driving multiple high torque servos. Add a heatsink.

A

Anonymous

Jan 24, 2026

Rating: 5/5

Great for LED Projects

Not just for servos! Used it to drive PWM LEDs for a lighting rig. Very versatile.

5 FAQ

Q: Is this compatible with Raspberry Pi 4?

A: Yes, it works with all Raspberry Pi models featuring GPIO headers. Use the Adafruit library.

Q: Can I control more than 16 servos?

A: Yes, you can stack up to 62 boards using address jumpers for a total of 992 channels.

Q: What is the maximum current per channel?

A: Each channel can handle up to 25mA. For higher current servos, use an external power supply.

Q: What library do you recommend?

A: We recommend the Adafruit PCA9685 library for Arduino and Python examples for Raspberry Pi.

Q: Does it come with header pins?

A: The board typically comes with separate header pins that require soldering for custom setups.

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