PCA9685 16-Channel Servo Motor Driver ? I2C PWM Module for Arduino & Raspberry Pi
The PCA9685 16-Channel Servo Motor Driver ? I2C PWM Module for Arduino & Raspberry Pi is a 16-channel PWM controller communicating via I2C. It frees up microcontroller pins and generates precise PWM signals for multiple servos, LEDs, or motors.
Key Features
- 16 PWM channels
- I2C interface (addressable)
- 12-bit resolution (4096 steps)
- 25 – 1600Hz frequency
- 5V tolerant inputs
- External power input
Technical Specifications
- Model: PCA9685
- Channels: 16 PWM
- Resolution: 12-bit
- Interface: I2C (up to 62 boards)
- Voltage: 2.3V – 5.5V
- Output: Totem pole / open drain
Applications
- Multi-servo control
- LED dimming
- Motor speed control
- Robot arms
- Animatronics


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