diff --git a/light8/ExternalInput.py b/light8/ExternalInput.py
--- a/light8/ExternalInput.py
+++ b/light8/ExternalInput.py
@@ -7,7 +7,12 @@ currentlevels = [0,0,0,0]
 class NetSliderHandler(SocketServer.StreamRequestHandler):
     def handle(self):
         data = self.rfile.readline(1000)
-        currentlevels[:] = [float(x)/255 for x in list(data.split())]
+        currentlevels[:] = [round(self.bounds(float(x)/255),3) for x in list(data.split())]
+    def bounds(self,x):
+        # the last .1 both ways shall not do anything
+        x=x*1.1-.05
+        x=min(1,max(0,x))
+        return x
 
 def start_server(levelstorage=0):
     server = SocketServer.TCPServer(