描述

這是一個非常簡單的項目。您只需將 8 個 LED 連接到 Arduino，然后輸入一個數字，LED 就會顯示該數字。

private void Send_Click(object sender, EventArgs e)
       {
           try
           {
               int IntValue = Convert.ToInt32(Value.Text);
               if (IntValue >= 0 && IntValue <=255)
               {
                   string ToSend =Value.Text +";"+ ToBinary(Value.Text);
                   Console.WriteLine(ToSend);
                   port.WriteLine(ToSend);
               }
               else
               {
                   MessageBox.Show("Invalid Input", "Error");
               }
           }
           catch (Exception ex)
           {
               MessageBox.Show(ex.Message, "Error");
           }
       }
       private string ToBinary(string data)
       {
           string result = string.Empty;
           int rem = 0;
           try
           {
               int num = int.Parse(data);
               for (int i = 0; i < 8; i++)
               {
                   rem = num % 2;
                   num = num / 2;
                   result = rem.ToString() + ";" + result;
               }
           }
           catch (Exception ex)
           {
               MessageBox.Show(ex.Message, "Error");
           }
           Seprate(result);
           return result;
       }
       private void Seprate(string result)
       {
           String[] bits = result.Split(';');
           if (bits[7] == "0") { p0.Checked = false; } else if (bits[7] == "1") p0.Checked = true;
           if (bits[6] == "0") { p1.Checked = false; } else if (bits[6] == "1") p1.Checked = true;
           if (bits[5] == "0") { p2.Checked = false; } else if (bits[5] == "1") p2.Checked = true;
           if (bits[4] == "0") { p3.Checked = false; } else if (bits[4] == "1") p3.Checked = true;
           if (bits[3] == "0") { p4.Checked = false; } else if (bits[3] == "1") p4.Checked = true;
           if (bits[2] == "0") { p5.Checked = false; } else if (bits[2] == "1") p5.Checked = true;
           if (bits[1] == "0") { p6.Checked = false; } else if (bits[1] == "1") p6.Checked = true;
           if (bits[0] == "0") { p7.Checked = false; } else if (bits[0] == "1") p7.Checked = true;
       }