ok

Door_Chime/code/Door_Chime/Door_Chime.ino

@@ -4,6 +4,8 @@
 #define SWLIGHT 10
 #define SWREED 11
 
+#define LED 13
+
 //Switches on Pins 10, and 11
 //Switch 10, is light switch. Ground when switch is up (ON).
 //Switch 11, is magnet reed switch, Ground when door is closed.
@@ -15,6 +17,8 @@ void setup() {
   pinMode(FET, OUTPUT);
   pinMode(SWLIGHT, INPUT);
   pinMode(SWREED, INPUT);
+
+  pinMode(LED, OUTPUT);
 }
 
 void loop() {
@@ -40,6 +44,16 @@ void loop() {
   SWLIGHTvar = digitalRead(SWLIGHT);
   SWREEDvar  = digitalRead(SWREED);
 
+  
+  //Use onboard LED to monitor whether magnet reed is synced or not
+  if(SWREEDvar == 1){
+    digitalWrite(LED, 1); //magnet not connected to reed
+  }
+  else{
+    digitalWrite(LED, 0); //magnet connected
+  }
+
+  //trigger FET and Actuator
   if(SWLIGHTvar == 0){
     if(SWREEDvar == 1){
       digitalWrite(FET, 1);   // turn on (HIGH is the voltage level)