asic Arduino Code for PCA9685

PCA9685.ino

#include <Wire.h>
#include <Adafruit_PWMServoDriver.h>

Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver(0x40); // Default I2C address

#define SERVO_MIN 150  // Minimum pulse length
#define SERVO_MAX 600  // Maximum pulse length

void setup() {
    Serial.begin(115200);
    Serial.println("PCA9685 Test");

    pwm.begin();
    pwm.setPWMFreq(50); // Set frequency to 50Hz for servos

    delay(500);
}

void loop() {
    // Move servo from min to max
    for (int pos = SERVO_MIN; pos <= SERVO_MAX; pos += 10) {
        pwm.setPWM(0, 0, pos); // Set PWM on channel 0
        delay(20);
    }

    // Move servo from max to min
    for (int pos = SERVO_MAX; pos >= SERVO_MIN; pos -= 10) {
        pwm.setPWM(0, 0, pos);
        delay(20);
    }
}