led config in a separate file

hoverserial.ino

@@ -3,12 +3,10 @@
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
 #include <Adafruit_NeoPixel.h>
-
-#define PIN PB5   // Pin where NeoPixels are connected
-#define NB_LED 12 // number of LEDs
+#include "leds_config.h"
 
 // Declare our NeoPixel strip object:
-Adafruit_NeoPixel strip(NB_LED, PIN, NEO_GRB + NEO_KHZ800);
+Adafruit_NeoPixel strip(LED_STRIP * NB_STRIP , PIN, NEO_GRB + NEO_KHZ800);
 // Argument 1 = Number of pixels in NeoPixel strip
 // Argument 2 = Arduino pin number (most are valid)
 // Argument 3 = Pixel type flags, add together as needed:

leds_config.h

@@ -0,0 +1,6 @@
+#include <Arduino.h>
+
+#define PIN PB5   // Pin where NeoPixels are connected
+
+#define LED_STRIP 12 // number of leds per strip
+#define NB_STRIP  2 // number of strip