Add(Delete,11141188,343,196)
{
 Count=3
 link(onDelete,5608310:doValue,[])
 link(Str,15271740:String,[])
}
Add(MainForm,2953706,42,35)
{
 Width=620
 Height=621
 link(onDeactivate,7883304:In,[])
 link(onCreate,932892:In,[])
}
Add(RichEdit,14402188,553,343)
{
 Left=25
 Top=55
 Width=205
 Height=530
}
Add(Edit,7689019,154,343)
{
 Left=125
 Top=15
 Width=230
 link(onEnter,1758540:doWrite,[])
}
Add(COMEX,1758540,399,336)
{
 Port=2
 StopBits=1
 link(onRead,14402188:doAdd,[])
 link(Port,8913:Var,[])
}
Add(EnumCOM,7811162,273,133)
{
 link(onEnumPorts,15271740:doAdd,[])
}
Add(Hub,7444167,231,126)
{
 link(onEvent1,15271740:doClear,[(255,132)(255,146)])
 link(onEvent2,7811162:doEnumPorts,[])
}
Add(ComboBox,15271740,336,133)
{
 Left=240
 Top=45
 Width=125
 Height=21
 link(onClick,13172461:In,[])
}
Add(Memory,5608310,399,196)
{
 link(onData,3036277:In,[])
}
Add(LineBreak,691842,315,329)
{
 Caption="connect"
 link(Out,1758540:doOpen,[(384,335)(384,342)])
 Primary=[3036277,126,-133]
}
Add(LineBreak,7832411,259,343)
{
 Caption="close"
 link(Out,1758540:doClose,[])
 Primary=[7883304,-175,-301]
}
Add(LineBreak,15855028,154,126)
{
 Caption="start"
 link(Out,7444167:doEvent1,[])
 Primary=[932892,0,-77]
}
Add(LineBreak,16281109,399,238)
{
 Caption="NUM_com"
 Type=1
 link(Data,5608310:Value,[])
 Primary=[8913,0,70]
}
Add(LineBreak,7560633,294,196)
{
 Caption="sel"
 link(Out,11141188:doDelete,[])
 Primary=[13172461,84,-56]
}

void setup() {
    Serial.begin(9600);
}
 
 
void loop() {
   while (Serial.available() == 0);
    
        int val = Serial.read() - '0';
 
        // отсылаем то, что получили
      
        Serial.println(val);
    }