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Product Description (Detailed):

Unleash the full potential of your robotics and automation projects with our powerful 16-Channel 12-bit PWM Servo Driver Shield, based on the highly efficient PCA9685 I2C Module. This essential board solves the common problem of limited PWM pins on microcontrollers like Arduino, allowing you to control up to 16 servo motors or LEDs with incredible precision using only two I2C communication pins.

The PCA9685 chip at the heart of this module offers 12-bit resolution, providing an impressive 4096 steps of individual pulse width modulation for each of its 16 outputs. For servos, this translates to incredibly smooth and precise movement, preventing the "jitter" often seen with lower-resolution PWM signals. The module features its own built-in oscillator, meaning it generates the PWM signals independently once programmed, freeing up your microcontroller's processing power for other tasks – a significant advantage for complex projects.

Designed as a convenient shield, it typically stacks directly onto your Arduino UNO or compatible board, simplifying wiring and setup. It includes dedicated 3-pin headers for easy servo connections (Signal, V+, GND) and a terminal block for supplying independent, robust power to your servos (up to 6V, preventing brownouts of your microcontroller). Furthermore, the PCA9685's I2C interface supports daisy-chaining up to 62 modules on a single I2C bus, allowing you to control an astounding 992 outputs! This scalability makes it perfect for large-scale robotic applications like hexapods, multi-axis robotic arms, or elaborate LED lighting systems.

Whether you're building a complex robotic creation, designing an automated system with numerous actuators, or creating intricate LED lighting effects, the 16-Channel 12-bit PWM Servo Driver Shield – PCA9685 I2C Module is your ideal solution for expanded and precise control.

The PCA9685 16-Channel 12-bit PWM Servo Driver Shield is a versatile, I2C-controlled expansion board designed for precise control of multiple servos or LEDs. It uses the PCA9685 IC, which provides 12-bit resolution PWM control (4096 steps) on each of the 16 output channels.

This module is ideal for robotic arms, hexapods, animatronics, motorized projects, or any application that requires multiple PWM signals. It communicates over I2C, freeing up your Arduino or Raspberry Pi's GPIO pins for other uses.

You can stack multiple boards (up to 62) by changing the I2C address, allowing control of up to 992 servos simultaneously from a single microcontroller.

Technical Specifications:

How to Use:

Basic Setup with Arduino:

1. Connect I2C Pins:

   • SDA → A4, SCL → A5 on Arduino UNO

   • Use QWIIC or 4-pin male headers for other boards

2. Power the Board:

   • For servos: connect 5V–6V to V+ terminal block

   • Logic power is taken from Arduino (5V)

3. Install Adafruit PCA9685 Library via Arduino IDE Library Manager.

4. Sample Code:

   #include
   #include

   Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver();

   void setup() {
     pwm.begin();
     pwm.setPWMFreq(60);  // Standard servo frequency
   }

   void loop() {
     pwm.setPWM(0, 0, 300);  // Control servo on channel 0
   }

Applications:

• Robotic arms and legs (hexapods, quadrupeds)

• Servo-controlled animatronics or puppetry

• LED dimming and RGB LED strip control

• Home automation and signal modulation

• Pan/tilt camera systems

• CNC or 3D printer expansion modules

Package Includes:

• 1 × PCA9685 16-Channel PWM Servo Driver Shield

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