View difference between Paste ID: F5vCJRPx and 28if8sqa

 slaveName = "5"
 masterID = 0
 outputBool = false
 masterActive = false
 
 function testMaster(pID, pMessage)
   pID = pID or -1
   if pID == -1 then
     while true do
       id, message = rednet.receive()
       if message == "KKRNBTNMaster" then
         rednet.send(id, slaveName)
         masterID = id
         print("Discovered Master with ID: " .. id)
         return true
       end
     end
   else
     if message == "KKRNBTNMaster" then
       rednet.send(pID, slaveName)
       masterID = pID
       print("Discovered Master with ID: " .. pID)
       return true
     end
   end
 end
 
 
 function testMessage()
   id, message = rednet.receive()
   if message == "t" then
     if id == masterID then
       outputBool = not outputBool
       setRedstone(outputBool)
     end
-    masterActive = false
+
-    if testMaster(id, message) then
+    if message ~= lastmessage then
       masterActive = false
     end
     if testMaster(id, message) and not masterActive then
       masterActive = true
       lastmessage = message
     end
   end
 end
 
 function setRedstone(state)
   print("Setting Redstone to: " .. tostring(state))
   redstone.setOutput("back", state)
 end
 
 setRedstone(outputBool)
 
 rednet.open("top")
 
 while true do
   testMessage()
 end