full

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

RTC_PCF8523 rtc;
Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver(0x40);

const int SERVO_CHANNEL = 1;
const int SERVO_CHANNEL2 = 4;

const int MIN_PULSE_WIDTH = 100;
const int MAX_PULSE_WIDTH = 550;

void setup() {
  // Initialize the I2C bus on A4 and A5
  Serial.begin(9600);
  Wire.begin();

  // Initialize the RTC on A4 and A5
  
  // Initialize the PCA9685 on A4 and A5 with address 0x41
  pwm.begin();
  rtc.begin();

  // Set the PWM frequency to 50 Hz
  pwm.setPWMFreq(50);
}
 
void loop() {
 // Read the time and date from the RTC
 
 DateTime now = rtc.now();
 
 // Print the time and date to the serial monitor
 Serial.print(now.year(), DEC);
 Serial.print('/');
 Serial.print(now.month(), DEC);
 Serial.print('/');
 Serial.print(now.day(), DEC);
 Serial.print(" ");
 Serial.print(now.hour(), DEC);
 Serial.print(':');
 Serial.print(now.minute(), DEC);
 Serial.print(':');
 Serial.print(now.second(), DEC);
 Serial.println();
 
 // Wait for one second before reading the time and date again
 delay(1000);
 // Set the pulse width to the minimum value
 pwm.setPWM(SERVO_CHANNEL, 0, (100+7*(now.second())));
 //delay(500);
 pwm.setPWM(SERVO_CHANNEL2, 0, (100+7*(now.second())));
 //delay(500);
 
 // Set the pulse width to the maximum value
 //pwm.setPWM(SERVO_CHANNEL, 0, 400);
 //delay(500);
 //pwm.setPWM(SERVO_CHANNEL2, 0, 400);
}