Incompatibilidad servos y LCD?

codigo:

// include the library code:
#include <SPI.h>         // needed for Arduino versions later than 0018
#include <Ethernet.h>
#include <EthernetUdp.h>
#include <LiquidCrystal.h>
#include <Servo.h> 

Servo myservo;
Servo myservo2;
int pos = 0;

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {  
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192, 168, 1, 177);

unsigned int localPort = 9500;      // local port to listen on

// buffers for receiving and sending data
char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet,
char  ReplyBuffer[] = "acknowledged";       // a string to send back

// An EthernetUDP instance to let us send and receive packets over UDP
EthernetUDP Udp;

void setup() {
  
  Ethernet.begin(mac,ip);
  Udp.begin(localPort);
  // set up the LCD's number of columns and rows: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("hello, world!");
  
    myservo.attach(9);
    myservo2.attach(8);
}

void loop() {
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print(millis()/1000);
  
  for(pos = 0; pos < 180; pos += 1)  // goes from 0 degrees to 180 degrees 
  {                                  // in steps of 1 degree 
    myservo.write(pos);
    myservo2.write(pos);    // tell servo to go to position in variable 'pos' 
    delay (15);                      // waits 15ms for the servo to reach the position 
  } 
  for(pos = 180; pos>=1; pos-=1)     // goes from 180 degrees to 0 degrees 
  {                                
    myservo.write(pos);
    myservo2.write(pos);    // tell servo to go to position in variable 'pos' 
    delay (15);                     // waits 15ms for the servo to reach the position 
  }

  int packetSize = Udp.parsePacket();
  if(packetSize)
  {
    Serial.println(packetBuffer);
  }



}