🛠️ PCA9685 16-Channel PWM/Servo Driver 🛠️
The PCA9685 module provides up to 16 channels of 12-bit PWM control via I2C, making it ideal for controlling servo motors, LED lighting, and other PWM-based devices. It communicates with Arduino, Raspberry Pi, and other microcontrollers over the I2C protocol using only two wires (SDA, SCL). Multiple boards can be chained together to control up to 992 PWM outputs.
✅ Technical Specifications:
- Chipset: PCA9685.
- Channels: 16 independent PWM/Servo outputs.
- Resolution: 12-bit (4096 steps).
- Interface: I2C (SDA, SCL).
- Operating Voltage (logic): 2.3V – 5.5V.
- Servo Power Supply: 5V – 6V (separate input).
- PWM Frequency: Up to 1.6kHz.
- Stackable: Supports up to 62 modules on the same I2C bus.
- Compatibility: Arduino, Raspberry Pi, ESP32, STM32.
- Module Size: ~62 × 26 mm.
- Approximate Weight: 15 g.
🔹 Key Features:
✔ Controls up to 16 channels independently with high resolution.
✔ Chain up to 62 boards for 992 PWM channels.
✔ Easy to use with ready-made Arduino and Raspberry Pi libraries.
✔ Ideal for servo motors, RGB LEDs, and PWM-based devices.
✔ Compact design with ready-to-use headers.
📌 Common Applications:
- Robotics and robotic arms (servo control).
- Multi-channel RGB LED lighting systems.
- Large robotics and drone projects.
- Remote control (RC) model systems.
- IoT projects requiring multiple PWM outputs.
