Servo_0.1

Servo servo1;

void setup() {
  // put your setup code here, to run once:
  servo1.attach(6);
  Serial.begin(9600);
  Serial.println("Start");
}

void loop() {
  // put your main code here, to run repeatedly:

  for(int i = 0; i < 180; i += 10)
  {
    Serial.println(i);
    delay(3000);
    servo1.write(i);
  }
}
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

using System.IO.Ports;

namespace WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            comboBox1.Items.Clear();
            foreach (string portName in SerialPort.GetPortNames())
            {
                comboBox1.Items.Add(portName);
            }
            comboBox1.SelectedIndex = 0;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            serialPort1.Open();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            serialPort1.Close();
        }

        private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            SerialPort sp = (SerialPort)sender;
            label1.Text = sp.ReadExisting();
        }
    }
}