diff --git a/circuitpython/main.py b/circuitpython/main.py
index 649ac10..474fa57 100644
--- a/circuitpython/main.py
+++ b/circuitpython/main.py
@@ -9,6 +9,7 @@ gps_enable = True
 update_interval = 5   # in seconds
 send_json_data = True
 datetime_format = "{:04}/{:02}/{:02}_{:02}:{:02}:{:02}"
+neopixel_max_value =const(100)    #max value instead of brightness to spare some mem
 
 #######################
 
@@ -119,17 +120,17 @@ def update_neopixel(data):
      * GREEN => pression : mini=960hPa, maxi = 1030hPa (range 70hPa)
     """
 
-    rouge = int((data['BME280']['temp']['val']-10)*255/25)
-    if rouge > 255:
-        rouge = 255
+    rouge = int((data['BME280']['temp']['val']-10)*neopixel_max_value/25)
+    if rouge > neopixel_max_value:
+        rouge = neopixel_max_value
     if rouge < 0:
         rouge = 0
 
-    bleu = int(data['BME280']['hum']['val']*255/100)
+    bleu = int(data['BME280']['hum']['val']*neopixel_max_value/100)
 
-    vert = int((data['BME280']['press']['val']-960)*255/70)
-    if vert > 255:
-        vert = 255
+    vert = int((data['BME280']['press']['val']-960)*neopixel_max_value/70)
+    if vert > neopixel_max_value:
+        vert = neopixel_max_value
     if vert < 0:
         vert = 0
 
@@ -169,10 +170,10 @@ if gps_enable:
 
 # Integrated Neopixel
 if data_to_neopixel:
-    pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+    pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
 else:
     #if neopixel is disable : turn off the LED
-    pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+    pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
     pixel[0] = (0,0,0)
     pixel = None