diff --git a/scripts/speed_reader.py b/scripts/speed_reader.py
index a3eaa7e..ab56fe0 100644
--- a/scripts/speed_reader.py
+++ b/scripts/speed_reader.py
@@ -3,7 +3,7 @@ from gpiozero import Button
 import datetime
 
 pulses_per_rotation = 1
-reader = Button(4)
+reader = Button(4, pull_up=False, bounce_time=0.0005)
 set_variable("speed_reader_last_impulse_time", datetime.datetime.now(), False)
 
 
@@ -15,9 +15,10 @@ def event():
 
     rpm = (60 / difference) / pulses_per_rotation    
     
-    set_variable("actual_rpm", rpm, False)
+    set_variable("actual_rpm", round(rpm, 1), False)
 
 
 
 
-reader.when_pressed = event
\ No newline at end of file
+reader.when_pressed = event
+reader.when_activated
\ No newline at end of file