View difference between Paste ID: nvyn6tnN and ZUDKLf6b

 glass = peripheral.wrap( "bottom" )
 
 rednet.open( "back" )
 
 -- Constants
 pos_x = 40
-pos_y = 55
+pos_y = 45
 pos_inc = 10
-local color = {}
+color = {}
 color["on"] = 0x229000
 color["off"] = 0xFF0000
 
 -- Devices
-local devices = { "Quarry" }
+
 -- Device status
 status = {}
-local status = {}
+function addStatus( device, mode )
-for i, device in ipairs( devices ) do
+
   pos_y = pos_y + pos_inc
 end
 
 while true do
   local command = ""
   local device = ""
   local mode = ""
-  local status = ""
+
   senderID, message, distance = rednet.receive()
   print( senderID .. ": " .. message )
 
   for i in string.gmatch( message,  "%S+" ) do
     if command ~= "" and device ~= "" then
       mode  = i
-      status = i
+
     if command ~= "" and device == "" then
       device = i
     end
     if command == "" and device == "" then
       command = i
     end
   end
 
   if nil status[device] then
-  if not device then
+    addStatus( device, mode )
-    print( "Something fubared the rednet message: " .. message )
+
     status[device].setColor( color[mode] )
-    status[device].setColor( color[status] )
+
 end
 
 rednet.close( "back" )