const byte LED = 13;
const byte reedRole = 2;
void setup() {
pinMode(reedRole, INPUT);
pinMode(LED, OUTPUT);
}
void loop() {
boolean reedRoleDurum = digitalRead(reedRole);
if (reedRoleDurum == 1)
digitalWrite(LED, reedRoleDurum);
else
digitalWrite(LED, reedRoleDurum);
}