PCA9685 16‑Channel 12‑Bit PWM Servo Driver (I2C)

Overview

PCA9685 based PWM driver board with 16 channels of 12‑bit resolution. Controls servos, LEDs, and DC motors via I2C, saving GPIO pins. Ideal for multi‑servo robotics and lighting effects.

Key Features

• 16 independent PWM outputs
• 12‑bit resolution (4096 steps)
• I2C interface (address selectable)
• On‑board oscillator – no external clock needed

Specifications

• Supply Voltage: 2.3–5.5V
• Output Frequency: up to 1.6kHz

Dimensions & Weight

• Length: ~60 mm
• Width: ~25 mm
• Weight: ~10 g

Package Includes

• 1 × PCA9685 PWM Driver Module

Applications

• Servo motor control for robotics
• LED dimming and lighting effects
• Multi‑channel PWM applications