diff --git a/code/test/rgb.py b/code/test/rgb.py
index 853c93b..be0cf42 100644
--- a/code/test/rgb.py
+++ b/code/test/rgb.py
@@ -11,7 +11,7 @@ green = 21
 blue = 22
 
 # frequency for PWM
-freq = 100
+freq = 50
 
 GPIO.setup(red, GPIO.OUT)
 GPIO.setup(green, GPIO.OUT)