PCA9685 16 Channel 12 Bit PWM Servo Driver Module With I2C Interface For MG90S SG90 MG995 Servos And LED Projects 5 To 10V DC 40 To 1000 Hz 16 PWM Outputs With 220 Ohm Protection

PCA9685 16-Channel PWM Servo Driver with I2C control
✔️ 16 outputs, 12-bit PWM, I2C control, 5-10V DC supply

The PCA9685 module is a compact 16-channel, 12-bit PWM/servo driver that plugs into an I2C bus. It's a go-to board for hobby robotics, RC projects, and LED dimming, allowing a microcontroller to drive multiple MG90S/SG90/MG995 servos and LEDs from one controller.

✅ 16-channel, 12-bit PWM outputs via I2C interface
✅ Frequency range: 40-1000 Hz for versatile servo and LED control
✅ Voltage supply: 5-10V DC with reverse polarity protection
✅ All PWM lines include 220 ohm protective resistors
✅ Four 3-pin connectors support up to 16 servos total
✅ Cascading design with a large V+ capacitor for power stability

💡 What is a PCA9685 PWM servo driver module used for in microcontroller projects?

It's handy for controlling many servos and LEDs from a single I2C bus with precise PWM timing.

- Multi-servo control for robotics, RC models, and automated systems on one I2C bus - 12-bit PWM resolution delivers smooth servo motion and LED dimming - Cascading capability and protective features support scalable, reliable setups - Compatible with MG90S, SG90, MG995 and similar hobby servos